44646020907572 has 36 divisors (see below), whose sum is σ = 90887283105444. Its totient is φ = 19133853056640.

The previous prime is 44646020907443. The next prime is 44646020907581. The reversal of 44646020907572 is 27570902064644.

It can be written as a sum of positive squares in 2 ways, for example, as 25132916199076 + 19513104708496 = 5013274^2 + 4417364^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25036922 + ... + 26760782.

It is an arithmetic number, because the mean of its divisors is an integer number (2524646752929).

Almost surely, 2^{44646020907572} is an apocalyptic number.

It is an amenable number.

44646020907572 is an abundant number, since it is smaller than the sum of its proper divisors (46241262197872).

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

44646020907572 is a wasteful number, since it uses less digits than its factorization.

44646020907572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856016 (or 1856007 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 56.

The spelling of 44646020907572 in words is "forty-four trillion, six hundred forty-six billion, twenty million, nine hundred seven thousand, five hundred seventy-two".