28604104432 has 20 divisors (see below), whose sum is σ = 55502821600. Its totient is φ = 14280795648.

The previous prime is 28604104429. The next prime is 28604104483. The reversal of 28604104432 is 23440140682.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1317432 + ... + 1338967.

It is an arithmetic number, because the mean of its divisors is an integer number (2775141080).

Almost surely, 2^28604104432 is an apocalyptic number.

It is an amenable number.

28604104432 is a deficient number, since it is larger than the sum of its proper divisors (26898717168).

28604104432 is a wasteful number, since it uses less digits than its factorization.

28604104432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657080 (or 2657074 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 28604104432 in words is "twenty-eight billion, six hundred four million, one hundred four thousand, four hundred thirty-two".