445255288972 has 48 divisors (see below), whose sum is σ = 847917975520. Its totient is φ = 203356334592.

The previous prime is 445255288969. The next prime is 445255288987. The reversal of 445255288972 is 279882552544.

It is a self number, because there is not a number n which added to its sum of digits gives 445255288972.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4410808 + ... + 4510624.

Almost surely, 2^445255288972 is an apocalyptic number.

It is an amenable number.

445255288972 is a deficient number, since it is larger than the sum of its proper divisors (402662686548).

445255288972 is a wasteful number, since it uses less digits than its factorization.

445255288972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100730 (or 100728 counting only the distinct ones).

The product of its digits is 64512000, while the sum is 61.

The spelling of 445255288972 in words is "four hundred forty-five billion, two hundred fifty-five million, two hundred eighty-eight thousand, nine hundred seventy-two".