28420495614656 has 56 divisors (see below), whose sum is σ = 56732574778464. Its totient is φ = 14125701611520.

The previous prime is 28420495614653. The next prime is 28420495614701. The reversal of 28420495614656 is 65641659402482.

It is not an unprimeable number, because it can be changed into a prime (28420495614653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65696021 + ... + 66127211.

Almost surely, 2^{28420495614656} is an apocalyptic number.

It is an amenable number.

28420495614656 is a deficient number, since it is larger than the sum of its proper divisors (28312079163808).

28420495614656 is a wasteful number, since it uses less digits than its factorization.

28420495614656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437329 (or 437319 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 62.

The spelling of 28420495614656 in words is "twenty-eight trillion, four hundred twenty billion, four hundred ninety-five million, six hundred fourteen thousand, six hundred fifty-six".