445131011644757 has 32 divisors (see below), whose sum is σ = 476275891939200. Its totient is φ = 414816394752000.

The previous prime is 445131011644751. The next prime is 445131011644771. The reversal of 445131011644757 is 757446110131544.

It is a cyclic number.

It is not a de Polignac number, because 445131011644757 - 2¹⁸ = 445131011382613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445131011644699 and 445131011644708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445131011644751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376229957 + ... + 377411237.

It is an arithmetic number, because the mean of its divisors is an integer number (14883621623100).

Almost surely, 2^{445131011644757} is an apocalyptic number.

It is an amenable number.

445131011644757 is a deficient number, since it is larger than the sum of its proper divisors (31144880294443).

445131011644757 is a wasteful number, since it uses less digits than its factorization.

445131011644757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182677.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 445131011644757 in words is "four hundred forty-five trillion, one hundred thirty-one billion, eleven million, six hundred forty-four thousand, seven hundred fifty-seven".