44945885556 has 768 divisors, whose sum is σ = 153056870400. Its totient is φ = 11337408000.

The previous prime is 44945885497. The next prime is 44945885671. The reversal of 44945885556 is 65558854944.

44945885556 is a `hidden beast` number, since 4 + 49 + 4 + 588 + 5 + 5 + 5 + 6 = 666.

Its product of digits (138240000) is a multiple of the sum of its prime factors (160).

It is a junction number, because it is equal to n+sod(n) for n = 44945885493 and 44945885502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 736817766 + ... + 736817826.

It is an arithmetic number, because the mean of its divisors is an integer number (199292800).

Almost surely, 2^44945885556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44945885556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76528435200).

44945885556 is an abundant number, since it is smaller than the sum of its proper divisors (108110984844).

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

44945885556 is a wasteful number, since it uses less digits than its factorization.

44945885556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 140 counting only the distinct ones).

The product of its digits is 138240000, while the sum is 63.

The spelling of 44945885556 in words is "forty-four billion, nine hundred forty-five million, eight hundred eighty-five thousand, five hundred fifty-six".