444545136312 has 64 divisors (see below), whose sum is σ = 1142981642880. Its totient is φ = 144000861312.

The previous prime is 444545136271. The next prime is 444545136319. The reversal of 444545136312 is 213631545444.

444545136312 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×444545136312² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444545136319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889998 + ... + 1296605.

It is an arithmetic number, because the mean of its divisors is an integer number (17859088170).

Almost surely, 2^444545136312 is an apocalyptic number.

It is an amenable number.

444545136312 is an abundant number, since it is smaller than the sum of its proper divisors (698436506568).

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

444545136312 is a wasteful number, since it uses less digits than its factorization.

444545136312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186852 (or 2186848 counting only the distinct ones).

The product of its digits is 691200, while the sum is 42.

The spelling of 444545136312 in words is "four hundred forty-four billion, five hundred forty-five million, one hundred thirty-six thousand, three hundred twelve".