10642621444556 has 48 divisors (see below), whose sum is σ = 19715733945600. Its totient is φ = 5018115799872.

The previous prime is 10642621444501. The next prime is 10642621444579. The reversal of 10642621444556 is 65544412624601.

It is a super-2 number, since 2×10642621444556² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225728321 + ... + 225775463.

It is an arithmetic number, because the mean of its divisors is an integer number (410744457200).

Almost surely, 2^{10642621444556} is an apocalyptic number.

It is an amenable number.

10642621444556 is a deficient number, since it is larger than the sum of its proper divisors (9073112501044).

10642621444556 is a wasteful number, since it uses less digits than its factorization.

10642621444556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92478 (or 92476 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 50.

The spelling of 10642621444556 in words is "ten trillion, six hundred forty-two billion, six hundred twenty-one million, four hundred forty-four thousand, five hundred fifty-six".