445131868955 has 16 divisors (see below), whose sum is σ = 541827088320. Its totient is φ = 350999267328.

The previous prime is 445131868949. The next prime is 445131869051. The reversal of 445131868955 is 559868131544.

It is a cyclic number.

It is not a de Polignac number, because 445131868955 - 2¹⁸ = 445131606811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445131868894 and 445131868903.

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 15 ways as a sum of consecutive naturals, for example, 168011 + ... + 958379.

It is an arithmetic number, because the mean of its divisors is an integer number (33864193020).

Almost surely, 2^445131868955 is an apocalyptic number.

445131868955 is a deficient number, since it is larger than the sum of its proper divisors (96695219365).

445131868955 is a wasteful number, since it uses less digits than its factorization.

445131868955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791990.

The product of its digits is 20736000, while the sum is 59.

The spelling of 445131868955 in words is "four hundred forty-five billion, one hundred thirty-one million, eight hundred sixty-eight thousand, nine hundred fifty-five".