44521620612 has 24 divisors (see below), whose sum is σ = 118724321856. Its totient is φ = 12720463008.

The previous prime is 44521620599. The next prime is 44521620643. The reversal of 44521620612 is 21602612544.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265009563 + ... + 265009730.

It is an arithmetic number, because the mean of its divisors is an integer number (4946846744).

Almost surely, 2^44521620612 is an apocalyptic number.

44521620612 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

44521620612 is an abundant number, since it is smaller than the sum of its proper divisors (74202701244).

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

44521620612 is a wasteful number, since it uses less digits than its factorization.

44521620612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530019307 (or 530019305 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 44521620612 in words is "forty-four billion, five hundred twenty-one million, six hundred twenty thousand, six hundred twelve".