44172702690 has 48 divisors (see below), whose sum is σ = 107620736832. Its totient is φ = 11603540256.

The previous prime is 44172702667. The next prime is 44172702697. The reversal of 44172702690 is 9620727144.

It is a super-2 number, since 2×44172702690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44172702697) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 29334 + ... + 298673.

It is an arithmetic number, because the mean of its divisors is an integer number (2242098684).

Almost surely, 2^44172702690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44172702690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53810368416).

44172702690 is an abundant number, since it is smaller than the sum of its proper divisors (63448034142).

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

44172702690 is a wasteful number, since it uses less digits than its factorization.

44172702690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328151 (or 328084 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 44172702690 in words is "forty-four billion, one hundred seventy-two million, seven hundred two thousand, six hundred ninety".