915034402540 has 48 divisors (see below), whose sum is σ = 1938988316160. Its totient is φ = 362697789440.

The previous prime is 915034402523. The next prime is 915034402549. The reversal of 915034402540 is 45204430519.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 915034402540.

It is not an unprimeable number, because it can be changed into a prime (915034402549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11279925 + ... + 11360755.

It is an arithmetic number, because the mean of its divisors is an integer number (40395589920).

Almost surely, 2^915034402540 is an apocalyptic number.

It is an amenable number.

915034402540 is an abundant number, since it is smaller than the sum of its proper divisors (1023953913620).

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

915034402540 is a wasteful number, since it uses less digits than its factorization.

915034402540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85962 (or 85960 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 915034402540 in words is "nine hundred fifteen billion, thirty-four million, four hundred two thousand, five hundred forty".