44172890220 has 48 divisors (see below), whose sum is σ = 123892765920. Its totient is φ = 11759563776.

The previous prime is 44172890213. The next prime is 44172890347. The reversal of 44172890220 is 2209827144.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585175 + ... + 656334.

It is an arithmetic number, because the mean of its divisors is an integer number (2581099290).

Almost surely, 2^44172890220 is an apocalyptic number.

It is an amenable number.

44172890220 is an abundant number, since it is smaller than the sum of its proper divisors (79719875700).

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

44172890220 is a wasteful number, since it uses less digits than its factorization.

44172890220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242114 (or 1242112 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 44172890220 in words is "forty-four billion, one hundred seventy-two million, eight hundred ninety thousand, two hundred twenty".