44500921920 has 1008 divisors, whose sum is σ = 194272985088. Its totient is φ = 9266503680.

The previous prime is 44500921909. The next prime is 44500921931. The reversal of 44500921920 is 2912900544.

44500921920 is a `hidden beast` number, since 44 + 500 + 9 + 21 + 92 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (44500921909) and next prime (44500921931).

It is a tau number, because it is divible by the number of its divisors (1008).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 232989025 + ... + 232989215.

It is an arithmetic number, because the mean of its divisors is an integer number (192731136).

Almost surely, 2^44500921920 is an apocalyptic number.

44500921920 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 44500921920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97136492544).

44500921920 is an abundant number, since it is smaller than the sum of its proper divisors (149772063168).

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

44500921920 is a wasteful number, since it uses less digits than its factorization.

44500921920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 44500921920 in words is "forty-four billion, five hundred million, nine hundred twenty-one thousand, nine hundred twenty".