28590331472 has 20 divisors (see below), whose sum is σ = 58309229280. Its totient is φ = 13542788448.

The previous prime is 28590331463. The next prime is 28590331513. The reversal of 28590331472 is 27413309582.

It is a happy number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47023268 + ... + 47023875.

It is an arithmetic number, because the mean of its divisors is an integer number (2915461464).

Almost surely, 2^28590331472 is an apocalyptic number.

It is an amenable number.

28590331472 is an abundant number, since it is smaller than the sum of its proper divisors (29718897808).

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

28590331472 is a wasteful number, since it uses less digits than its factorization.

28590331472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94047170 (or 94047164 counting only the distinct ones).

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

The spelling of 28590331472 in words is "twenty-eight billion, five hundred ninety million, three hundred thirty-one thousand, four hundred seventy-two".