64712002264 has 384 divisors, whose sum is σ = 167137689600. Its totient is φ = 22971237120.

The previous prime is 64712002249. The next prime is 64712002343. The reversal of 64712002264 is 46220021746.

It is a super-2 number, since 2×64712002264² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1376851089 + ... + 1376851135.

It is an arithmetic number, because the mean of its divisors is an integer number (435254400).

Almost surely, 2^64712002264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64712002264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83568844800).

64712002264 is an abundant number, since it is smaller than the sum of its proper divisors (102425687336).

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

64712002264 is a wasteful number, since it uses less digits than its factorization.

64712002264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 64712002264 in words is "sixty-four billion, seven hundred twelve million, two thousand, two hundred sixty-four".