44166244220 has 48 divisors (see below), whose sum is σ = 106049169408. Its totient is φ = 15135543360.

The previous prime is 44166244193. The next prime is 44166244279. The reversal of 44166244220 is 2244266144.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 226415 + ... + 373625.

It is an arithmetic number, because the mean of its divisors is an integer number (2209357696).

Almost surely, 2^44166244220 is an apocalyptic number.

It is an amenable number.

44166244220 is an abundant number, since it is smaller than the sum of its proper divisors (61882925188).

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

44166244220 is a wasteful number, since it uses less digits than its factorization.

44166244220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149370 (or 149368 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

The spelling of 44166244220 in words is "forty-four billion, one hundred sixty-six million, two hundred forty-four thousand, two hundred twenty".