28915337024 has 56 divisors (see below), whose sum is σ = 65619294720. Its totient is φ = 12384078336.

The previous prime is 28915336991. The next prime is 28915337053. The reversal of 28915337024 is 42073351982.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

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, 681422 + ... + 722610.

It is an arithmetic number, because the mean of its divisors is an integer number (1171773120).

Almost surely, 2^28915337024 is an apocalyptic number.

It is an amenable number.

28915337024 is an abundant number, since it is smaller than the sum of its proper divisors (36703957696).

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

28915337024 is a wasteful number, since it uses less digits than its factorization.

28915337024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42775 (or 42765 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 28915337024 in words is "twenty-eight billion, nine hundred fifteen million, three hundred thirty-seven thousand, twenty-four".