21627064482 has 32 divisors (see below), whose sum is σ = 43881191424. Its totient is φ = 7104594000.

The previous prime is 21627064391. The next prime is 21627064483. The reversal of 21627064482 is 28446072612.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21627064483) 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, 1205623 + ... + 1223429.

It is an arithmetic number, because the mean of its divisors is an integer number (1371287232).

Almost surely, 2^21627064482 is an apocalyptic number.

21627064482 is an abundant number, since it is smaller than the sum of its proper divisors (22254126942).

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

21627064482 is a wasteful number, since it uses less digits than its factorization.

21627064482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20734.

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 21627064482 in words is "twenty-one billion, six hundred twenty-seven million, sixty-four thousand, four hundred eighty-two".