44622428172 has 48 divisors (see below), whose sum is σ = 125992742400. Its totient is φ = 11999308032.

The previous prime is 44622428167. The next prime is 44622428233. The reversal of 44622428172 is 27182422644.

It is a super-3 number, since 3×44622428172³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

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, 15622672 + ... + 15625527.

It is an arithmetic number, because the mean of its divisors is an integer number (2624848800).

Almost surely, 2^44622428172 is an apocalyptic number.

44622428172 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

44622428172 is an abundant number, since it is smaller than the sum of its proper divisors (81370314228).

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

44622428172 is a wasteful number, since it uses less digits than its factorization.

44622428172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31248230 (or 31248228 counting only the distinct ones).

The product of its digits is 344064, while the sum is 42.

The spelling of 44622428172 in words is "forty-four billion, six hundred twenty-two million, four hundred twenty-eight thousand, one hundred seventy-two".