445079997625872 has 160 divisors (see below), whose sum is σ = 1349308258744320. Its totient is φ = 123768013501440.

The previous prime is 445079997625859. The next prime is 445079997625873. The reversal of 445079997625872 is 278526799970544.

It is a Harshad number since it is a multiple of its sum of digits (84).

It is not an unprimeable number, because it can be changed into a prime (445079997625873) 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, 32781988 + ... + 44326275.

It is an arithmetic number, because the mean of its divisors is an integer number (8433176617152).

Almost surely, 2^{445079997625872} is an apocalyptic number.

445079997625872 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

445079997625872 is an abundant number, since it is smaller than the sum of its proper divisors (904228261118448).

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

445079997625872 is a wasteful number, since it uses less digits than its factorization.

445079997625872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77108741 (or 77108735 counting only the distinct ones).

The product of its (nonzero) digits is 19203609600, while the sum is 84.

The spelling of 445079997625872 in words is "four hundred forty-five trillion, seventy-nine billion, nine hundred ninety-seven million, six hundred twenty-five thousand, eight hundred seventy-two".