444404075572764 has 72 divisors (see below), whose sum is σ = 1131090022013952. Its totient is φ = 147115168855200.

The previous prime is 444404075572759. The next prime is 444404075572843. The reversal of 444404075572764 is 467275570404444.

444404075572764 is a `hidden beast` number, since 4 + 4 + 4 + 4 + 0 + 4 + 0 + 7 + 557 + 2 + 76 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10089697 + ... + 31473959.

Almost surely, 2^{444404075572764} is an apocalyptic number.

It is an amenable number.

444404075572764 is an abundant number, since it is smaller than the sum of its proper divisors (686685946441188).

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

444404075572764 is a wasteful number, since it uses less digits than its factorization.

444404075572764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21388247 (or 21388242 counting only the distinct ones).

The product of its (nonzero) digits is 421478400, while the sum is 63.

The spelling of 444404075572764 in words is "four hundred forty-four trillion, four hundred four billion, seventy-five million, five hundred seventy-two thousand, seven hundred sixty-four".