15456152240 has 40 divisors (see below), whose sum is σ = 35963888640. Its totient is φ = 6177586176.

The previous prime is 15456152207. The next prime is 15456152251. The reversal of 15456152240 is 4225165451.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 15456152240.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26792 + ... + 177848.

It is an arithmetic number, because the mean of its divisors is an integer number (899097216).

Almost surely, 2^15456152240 is an apocalyptic number.

15456152240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15456152240 is an abundant number, since it is smaller than the sum of its proper divisors (20507736400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15456152240 is a wasteful number, since it uses less digits than its factorization.

15456152240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152349 (or 152343 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 15456152240 in words is "fifteen billion, four hundred fifty-six million, one hundred fifty-two thousand, two hundred forty".