| Base | Representation |
|---|---|
| bin | 111110000000110… |
| … | …100111101100000 |
| 3 | 2200111201000102100 |
| 4 | 332000310331200 |
| 5 | 4112320414240 |
| 6 | 251123250400 |
| 7 | 34532201514 |
| oct | 7600647540 |
| 9 | 2614630370 |
| 10 | 1040404320 |
| 11 | 49431018a |
| 12 | 250519a00 |
| 13 | 137715a77 |
| 14 | 9c268144 |
| 15 | 61512e30 |
| hex | 3e034f60 |
1040404320 has 144 divisors (see below), whose sum is σ = 3578964480. Its totient is φ = 275208192.
The previous prime is 1040404291. The next prime is 1040404331. The reversal of 1040404320 is 234040401.
It is a tau number, because it is divible by the number of its divisors (144).
It is a super-2 number, since 2×10404043202 = 2164882298149324800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 1040404293 and 1040404302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180036 + ... + 185724.
It is an arithmetic number, because the mean of its divisors is an integer number (24853920).
Almost surely, 21040404320 is an apocalyptic number.
1040404320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1040404320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1789482240).
1040404320 is an abundant number, since it is smaller than the sum of its proper divisors (2538560160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1040404320 is a wasteful number, since it uses less digits than its factorization.
1040404320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5837 (or 5826 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 1040404320 is about 32255.2990995278. The cubic root of 1040404320 is about 1013.2906818767.
Adding to 1040404320 its reverse (234040401), we get a palindrome (1274444721).
The spelling of 1040404320 in words is "one billion, forty million, four hundred four thousand, three hundred twenty".
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