| Base | Representation |
|---|---|
| bin | 1001100100000… |
| … | …0101010000000 |
| 3 | 2210110211120020 |
| 4 | 2121000222000 |
| 5 | 40232020340 |
| 6 | 3551413440 |
| 7 | 664635606 |
| oct | 231005200 |
| 9 | 83424506 |
| 10 | 40110720 |
| 11 | 20706861 |
| 12 | 11524280 |
| 13 | 8405070 |
| 14 | 5481876 |
| 15 | 37c49d0 |
| hex | 2640a80 |
40110720 has 128 divisors (see below), whose sum is σ = 137773440. Its totient is φ = 9867264.
The previous prime is 40110713. The next prime is 40110743. The reversal of 40110720 is 2701104.
It is a tau number, because it is divible by the number of its divisors (128).
It is a super-4 number, since 4×401107204 (a number of 32 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 40110720.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24157 + ... + 25763.
It is an arithmetic number, because the mean of its divisors is an integer number (1076355).
Almost surely, 240110720 is an apocalyptic number.
40110720 is a gapful number since it is divisible by the number (40) 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 40110720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68886720).
40110720 is an abundant number, since it is smaller than the sum of its proper divisors (97662720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40110720 is a wasteful number, since it uses less digits than its factorization.
40110720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1642 (or 1630 counting only the distinct ones).
The product of its (nonzero) digits is 56, while the sum is 15.
The square root of 40110720 is about 6333.3024560651. The cubic root of 40110720 is about 342.3104461984.
Adding to 40110720 its reverse (2701104), we get a palindrome (42811824).
The spelling of 40110720 in words is "forty million, one hundred ten thousand, seven hundred twenty".
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