4445564331507 has 64 divisors (see below), whose sum is σ = 6476032442880. Its totient is φ = 2696306227200.

The previous prime is 4445564331487. The next prime is 4445564331517. The reversal of 4445564331507 is 7051334655444.

It is not a de Polignac number, because 4445564331507 - 2⁷ = 4445564331379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4445564331507.

It is not an unprimeable number, because it can be changed into a prime (4445564331517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1750910244 + ... + 1750912782.

It is an arithmetic number, because the mean of its divisors is an integer number (101188006920).

Almost surely, 2^{4445564331507} is an apocalyptic number.

4445564331507 is a deficient number, since it is larger than the sum of its proper divisors (2030468111373).

4445564331507 is a wasteful number, since it uses less digits than its factorization.

4445564331507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644.

The product of its (nonzero) digits is 12096000, while the sum is 51.

The spelling of 4445564331507 in words is "four trillion, four hundred forty-five billion, five hundred sixty-four million, three hundred thirty-one thousand, five hundred seven".