44456891904 has 160 divisors (see below), whose sum is σ = 138522384000. Its totient is φ = 14038935552.

The previous prime is 44456891891. The next prime is 44456891911. The reversal of 44456891904 is 40919865444.

44456891904 is a `hidden beast` number, since 4 + 445 + 6 + 8 + 9 + 190 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178027 + ... + 347285.

It is an arithmetic number, because the mean of its divisors is an integer number (865764900).

Almost surely, 2^44456891904 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 44456891904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69261192000).

44456891904 is an abundant number, since it is smaller than the sum of its proper divisors (94065492096).

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

44456891904 is a wasteful number, since it uses less digits than its factorization.

44456891904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169305 (or 169283 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 44456891904 in words is "forty-four billion, four hundred fifty-six million, eight hundred ninety-one thousand, nine hundred four".