44621445650 has 24 divisors (see below), whose sum is σ = 83730376404. Its totient is φ = 17690624000.

The previous prime is 44621445611. The next prime is 44621445731. The reversal of 44621445650 is 5654412644.

It can be written as a sum of positive squares in 6 ways, for example, as 13232591089 + 31388854561 = 115033^2 + 177169^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44621445598 and 44621445607.

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, 3943151 + ... + 3954450.

Almost surely, 2^44621445650 is an apocalyptic number.

44621445650 is a deficient number, since it is larger than the sum of its proper divisors (39108930754).

44621445650 is a wasteful number, since it uses less digits than its factorization.

44621445650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7897726 (or 7897721 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 44621445650 in words is "forty-four billion, six hundred twenty-one million, four hundred forty-five thousand, six hundred fifty".