28755403824 has 60 divisors (see below), whose sum is σ = 86412929784. Its totient is φ = 8215828992.

The previous prime is 28755403823. The next prime is 28755403829. The reversal of 28755403824 is 42830455782.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (28755403823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6110617 + ... + 6115320.

Almost surely, 2^28755403824 is an apocalyptic number.

28755403824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28755403824 is an abundant number, since it is smaller than the sum of its proper divisors (57657525960).

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

28755403824 is a wasteful number, since it uses less digits than its factorization.

28755403824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12225962 (or 12225949 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 28755403824 in words is "twenty-eight billion, seven hundred fifty-five million, four hundred three thousand, eight hundred twenty-four".