444640524605516 has 12 divisors (see below), whose sum is σ = 781376654120160. Its totient is φ = 221390051999760.

The previous prime is 444640524605483. The next prime is 444640524605533. The reversal of 444640524605516 is 615506425046444.

It is a super-2 number, since 2×444640524605516² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232552574675 + ... + 232552576586.

It is an arithmetic number, because the mean of its divisors is an integer number (65114721176680).

Almost surely, 2^{444640524605516} is an apocalyptic number.

It is an amenable number.

444640524605516 is a deficient number, since it is larger than the sum of its proper divisors (336736129514644).

444640524605516 is a wasteful number, since it uses less digits than its factorization.

444640524605516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465105151504 (or 465105151502 counting only the distinct ones).

The product of its (nonzero) digits is 55296000, while the sum is 56.

The spelling of 444640524605516 in words is "four hundred forty-four trillion, six hundred forty billion, five hundred twenty-four million, six hundred five thousand, five hundred sixteen".