5012640864 has 216 divisors, whose sum is σ = 17907598800. Its totient is φ = 1301921280.

The previous prime is 5012640833. The next prime is 5012640949. The reversal of 5012640864 is 4680462105.

5012640864 is a `hidden beast` number, since 5 + 0 + 1 + 2 + 640 + 8 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 233662 + ... + 254210.

It is an arithmetic number, because the mean of its divisors is an integer number (82905550).

Almost surely, 2^5012640864 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 5012640864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8953799400).

5012640864 is an abundant number, since it is smaller than the sum of its proper divisors (12894957936).

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

5012640864 is a wasteful number, since it uses less digits than its factorization.

5012640864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20594 (or 20572 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 5012640864 is about 70800.0061016947. The cubic root of 5012640864 is about 1711.4157722073.

The spelling of 5012640864 in words is "five billion, twelve million, six hundred forty thousand, eight hundred sixty-four".