64532627226 has 24 divisors (see below), whose sum is σ = 139895655744. Its totient is φ = 21499342920.

The previous prime is 64532627213. The next prime is 64532627251. The reversal of 64532627226 is 62272623546.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 926530 + ... + 993741.

It is an arithmetic number, because the mean of its divisors is an integer number (5828985656).

Almost surely, 2^64532627226 is an apocalyptic number.

64532627226 is an abundant number, since it is smaller than the sum of its proper divisors (75363028518).

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

64532627226 is a wasteful number, since it uses less digits than its factorization.

64532627226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922146 (or 1922143 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 45.

The spelling of 64532627226 in words is "sixty-four billion, five hundred thirty-two million, six hundred twenty-seven thousand, two hundred twenty-six".