4445564331456 has 84 divisors (see below), whose sum is σ = 12866120350512. Its totient is φ = 1467467817984.

The previous prime is 4445564331427. The next prime is 4445564331487. The reversal of 4445564331456 is 6541334655444.

4445564331456 is a `hidden beast` number, since 4 + 4 + 4 + 5 + 564 + 3 + 31 + 45 + 6 = 666.

It is a super-2 number, since 2×4445564331456² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37406661 + ... + 37525316.

Almost surely, 2^{4445564331456} is an apocalyptic number.

It is an amenable number.

4445564331456 is an abundant number, since it is smaller than the sum of its proper divisors (8420556019056).

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

4445564331456 is a wasteful number, since it uses less digits than its factorization.

4445564331456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74932098 (or 74932085 counting only the distinct ones).

The product of its digits is 41472000, while the sum is 54.

The spelling of 4445564331456 in words is "four trillion, four hundred forty-five billion, five hundred sixty-four million, three hundred thirty-one thousand, four hundred fifty-six".