28245456696 has 64 divisors (see below), whose sum is σ = 74376086400. Its totient is φ = 8914105728.

The previous prime is 28245456691. The next prime is 28245456703. The reversal of 28245456696 is 69665454282.

It is a super-2 number, since 2×28245456696² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28245456691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753715 + ... + 790301.

It is an arithmetic number, because the mean of its divisors is an integer number (1162126350).

Almost surely, 2^28245456696 is an apocalyptic number.

It is an amenable number.

28245456696 is an abundant number, since it is smaller than the sum of its proper divisors (46130629704).

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

28245456696 is a wasteful number, since it uses less digits than its factorization.

28245456696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38308 (or 38304 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 57.

The spelling of 28245456696 in words is "twenty-eight billion, two hundred forty-five million, four hundred fifty-six thousand, six hundred ninety-six".