44465621424 has 160 divisors (see below), whose sum is σ = 140690519040. Its totient is φ = 11823584256.

The previous prime is 44465621407. The next prime is 44465621443. The reversal of 44465621424 is 42412656444.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 31 ways as a sum of consecutive naturals, for example, 208182 + ... + 363690.

It is an arithmetic number, because the mean of its divisors is an integer number (879315744).

Almost surely, 2^44465621424 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 44465621424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70345259520).

44465621424 is an abundant number, since it is smaller than the sum of its proper divisors (96224897616).

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

44465621424 is a wasteful number, since it uses less digits than its factorization.

44465621424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155587 (or 155581 counting only the distinct ones).

The product of its digits is 737280, while the sum is 42.

The spelling of 44465621424 in words is "forty-four billion, four hundred sixty-five million, six hundred twenty-one thousand, four hundred twenty-four".