64532044374 has 32 divisors (see below), whose sum is σ = 150932094720. Its totient is φ = 18008942112.

The previous prime is 64532044333. The next prime is 64532044411. The reversal of 64532044374 is 47344023546.

64532044374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 17864209 + ... + 17867820.

It is an arithmetic number, because the mean of its divisors is an integer number (4716627960).

Almost surely, 2^64532044374 is an apocalyptic number.

64532044374 is an abundant number, since it is smaller than the sum of its proper divisors (86400050346).

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

64532044374 is a wasteful number, since it uses less digits than its factorization.

64532044374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35732084.

The product of its (nonzero) digits is 967680, while the sum is 42.

The spelling of 64532044374 in words is "sixty-four billion, five hundred thirty-two million, forty-four thousand, three hundred seventy-four".