64562266264144 has 80 divisors (see below), whose sum is σ = 140184951856704. Its totient is φ = 28792776904320.

The previous prime is 64562266264049. The next prime is 64562266264147. The reversal of 64562266264144 is 44146266226546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64562266264147) 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, 27471894 + ... + 29729269.

Almost surely, 2^{64562266264144} is an apocalyptic number.

It is an amenable number.

64562266264144 is an abundant number, since it is smaller than the sum of its proper divisors (75622685592560).

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

64562266264144 is a wasteful number, since it uses less digits than its factorization.

64562266264144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57201257 (or 57201229 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 58.

The spelling of 64562266264144 in words is "sixty-four trillion, five hundred sixty-two billion, two hundred sixty-six million, two hundred sixty-four thousand, one hundred forty-four".