44400424064 has 32 divisors (see below), whose sum is σ = 91307331840. Its totient is φ = 21484074240.

The previous prime is 44400424049. The next prime is 44400424069. The reversal of 44400424064 is 46042400444.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 44400424064.

It is not an unprimeable number, because it can be changed into a prime (44400424069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5590844 + ... + 5598779.

It is an arithmetic number, because the mean of its divisors is an integer number (2853354120).

Almost surely, 2^44400424064 is an apocalyptic number.

It is an amenable number.

44400424064 is an abundant number, since it is smaller than the sum of its proper divisors (46906907776).

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

44400424064 is a wasteful number, since it uses less digits than its factorization.

44400424064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11189668 (or 11189656 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

The spelling of 44400424064 in words is "forty-four billion, four hundred million, four hundred twenty-four thousand, sixty-four".