44273512420 has 48 divisors (see below), whose sum is σ = 101619076608. Its totient is φ = 16130004480.

The previous prime is 44273512391. The next prime is 44273512441. The reversal of 44273512420 is 2421537244.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2089722 + ... + 2110801.

It is an arithmetic number, because the mean of its divisors is an integer number (2117064096).

Almost surely, 2^44273512420 is an apocalyptic number.

It is an amenable number.

44273512420 is an abundant number, since it is smaller than the sum of its proper divisors (57345564188).

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

44273512420 is a wasteful number, since it uses less digits than its factorization.

44273512420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200580 (or 4200578 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The spelling of 44273512420 in words is "forty-four billion, two hundred seventy-three million, five hundred twelve thousand, four hundred twenty".