Base | Representation |
---|---|
bin | 100101101000000111… |
… | …001111001010011000 |
3 | 10212021122102110101021 |
4 | 211220013033022120 |
5 | 1130220231330430 |
6 | 30320554532224 |
7 | 2630120342050 |
oct | 455007171230 |
9 | 125248373337 |
10 | 40401433240 |
11 | 16152612853 |
12 | 79b6437074 |
13 | 3a6b2a631c |
14 | 1d53a26560 |
15 | 10b6d8007a |
hex | 9681cf298 |
40401433240 has 64 divisors (see below), whose sum is σ = 107240693760. Its totient is φ = 13405080960.
The previous prime is 40401433223. The next prime is 40401433277. The reversal of 40401433240 is 4233410404.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2318592 + ... + 2335951.
It is an arithmetic number, because the mean of its divisors is an integer number (1675635840).
Almost surely, 240401433240 is an apocalyptic number.
40401433240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
40401433240 is an abundant number, since it is smaller than the sum of its proper divisors (66839260520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40401433240 is a wasteful number, since it uses less digits than its factorization.
40401433240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4654592 (or 4654588 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 25.
Adding to 40401433240 its reverse (4233410404), we get a palindrome (44634843644).
The spelling of 40401433240 in words is "forty billion, four hundred one million, four hundred thirty-three thousand, two hundred forty".
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