28402466956 has 6 divisors (see below), whose sum is σ = 49704317180. Its totient is φ = 14201233476.

The previous prime is 28402466903. The next prime is 28402466957. The reversal of 28402466956 is 65966420482.

It is not an unprimeable number, because it can be changed into a prime (28402466957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3550308366 + ... + 3550308373.

Almost surely, 2^28402466956 is an apocalyptic number.

It is an amenable number.

28402466956 is a deficient number, since it is larger than the sum of its proper divisors (21301850224).

28402466956 is a wasteful number, since it uses less digits than its factorization.

28402466956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100616743 (or 7100616741 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 28402466956 in words is "twenty-eight billion, four hundred two million, four hundred sixty-six thousand, nine hundred fifty-six".