444621545044512 has 96 divisors (see below), whose sum is σ = 1317139059862080. Its totient is φ = 130087808363520.

The previous prime is 444621545044477. The next prime is 444621545044531. The reversal of 444621545044512 is 215440545126444.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×444621545044512² (a number of 30 digits) contains 22 as substring.

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, 7259333683 + ... + 7259394930.

It is an arithmetic number, because the mean of its divisors is an integer number (13720198540230).

Almost surely, 2^{444621545044512} is an apocalyptic number.

It is an amenable number.

444621545044512 is an abundant number, since it is smaller than the sum of its proper divisors (872517514817568).

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

444621545044512 is a wasteful number, since it uses less digits than its factorization.

444621545044512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14518728666 (or 14518728658 counting only the distinct ones).

The product of its (nonzero) digits is 12288000, while the sum is 51.

The spelling of 444621545044512 in words is "four hundred forty-four trillion, six hundred twenty-one billion, five hundred forty-five million, forty-four thousand, five hundred twelve".