444625707945 has 32 divisors (see below), whose sum is σ = 719666785152. Its totient is φ = 234384832512.

The previous prime is 444625707923. The next prime is 444625707959. The reversal of 444625707945 is 549707526444.

It is not a de Polignac number, because 444625707945 - 2¹² = 444625703849 is a prime.

It is a super-2 number, since 2×444625707945² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 927054 + ... + 1322376.

It is an arithmetic number, because the mean of its divisors is an integer number (22489587036).

Almost surely, 2^444625707945 is an apocalyptic number.

It is an amenable number.

444625707945 is a deficient number, since it is larger than the sum of its proper divisors (275041077207).

444625707945 is a wasteful number, since it uses less digits than its factorization.

444625707945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396201.

The product of its (nonzero) digits is 33868800, while the sum is 57.

The spelling of 444625707945 in words is "four hundred forty-four billion, six hundred twenty-five million, seven hundred seven thousand, nine hundred forty-five".