64072810384 has 80 divisors (see below), whose sum is σ = 136996945920. Its totient is φ = 28787530880.

The previous prime is 64072810367. The next prime is 64072810391. The reversal of 64072810384 is 48301827046.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 64072810384.

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, 9016977 + ... + 9024079.

It is an arithmetic number, because the mean of its divisors is an integer number (1712461824).

Almost surely, 2^64072810384 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 64072810384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68498472960).

64072810384 is an abundant number, since it is smaller than the sum of its proper divisors (72924135536).

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

64072810384 is a wasteful number, since it uses less digits than its factorization.

64072810384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7708 (or 7702 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 64072810384 in words is "sixty-four billion, seventy-two million, eight hundred ten thousand, three hundred eighty-four".