28457511936 has 176 divisors, whose sum is σ = 89483704320. Its totient is φ = 7868252160.

The previous prime is 28457511923. The next prime is 28457511941. The reversal of 28457511936 is 63911575482.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645280 + ... + 687968.

Almost surely, 2^28457511936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28457511936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44741852160).

28457511936 is an abundant number, since it is smaller than the sum of its proper divisors (61026192384).

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

28457511936 is a wasteful number, since it uses less digits than its factorization.

28457511936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42750 (or 42732 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 51.

The spelling of 28457511936 in words is "twenty-eight billion, four hundred fifty-seven million, five hundred eleven thousand, nine hundred thirty-six".