44697481920 has 672 divisors, whose sum is σ = 195777429120. Its totient is φ = 9103933440.

The previous prime is 44697481861. The next prime is 44697481943. The reversal of 44697481920 is 2918479644.

44697481920 is a `hidden beast` number, since 446 + 9 + 7 + 4 + 8 + 192 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7597380 + ... + 7603260.

It is an arithmetic number, because the mean of its divisors is an integer number (291335460).

Almost surely, 2^44697481920 is an apocalyptic number.

44697481920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44697481920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97888714560).

44697481920 is an abundant number, since it is smaller than the sum of its proper divisors (151079947200).

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

44697481920 is a wasteful number, since it uses less digits than its factorization.

44697481920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5953 (or 5940 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 44697481920 in words is "forty-four billion, six hundred ninety-seven million, four hundred eighty-one thousand, nine hundred twenty".