10640187264 has 128 divisors (see below), whose sum is σ = 34000761600. Its totient is φ = 2880036864.

The previous prime is 10640187247. The next prime is 10640187277. The reversal of 10640187264 is 46278104601.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×10640187264² (a number of 21 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 15 ways as a sum of consecutive naturals, for example, 53097 + ... + 155240.

It is an arithmetic number, because the mean of its divisors is an integer number (265630950).

Almost surely, 2^10640187264 is an apocalyptic number.

10640187264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10640187264 is an abundant number, since it is smaller than the sum of its proper divisors (23360574336).

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

10640187264 is a wasteful number, since it uses less digits than its factorization.

10640187264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208380 (or 208368 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 10640187264 in words is "ten billion, six hundred forty million, one hundred eighty-seven thousand, two hundred sixty-four".