44652409920 has 560 divisors, whose sum is σ = 166831036416. Its totient is φ = 11321856000.

The previous prime is 44652409897. The next prime is 44652409937. The reversal of 44652409920 is 2990425644.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 49014265 + ... + 49015175.

Almost surely, 2^44652409920 is an apocalyptic number.

44652409920 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 44652409920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83415518208).

44652409920 is an abundant number, since it is smaller than the sum of its proper divisors (122178626496).

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

44652409920 is a wasteful number, since it uses less digits than its factorization.

44652409920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 44652409920 in words is "forty-four billion, six hundred fifty-two million, four hundred nine thousand, nine hundred twenty".