64274366044 has 36 divisors (see below), whose sum is σ = 131073622680. Its totient is φ = 27497867040.

The previous prime is 64274366027. The next prime is 64274366053. The reversal of 64274366044 is 44066347246.

It is a junction number, because it is equal to n+sod(n) for n = 64274365985 and 64274366003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175239 + ... + 399070.

Almost surely, 2^64274366044 is an apocalyptic number.

It is an amenable number.

64274366044 is an abundant number, since it is smaller than the sum of its proper divisors (66799256636).

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

64274366044 is a wasteful number, since it uses less digits than its factorization.

64274366044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574898 (or 574889 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 46.

The spelling of 64274366044 in words is "sixty-four billion, two hundred seventy-four million, three hundred sixty-six thousand, forty-four".