44347145880 has 128 divisors (see below), whose sum is σ = 140929735680. Its totient is φ = 11125340160.

The previous prime is 44347145873. The next prime is 44347145891. The reversal of 44347145880 is 8854174344.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 7404247 + ... + 7410233.

It is an arithmetic number, because the mean of its divisors is an integer number (1101013560).

Almost surely, 2^44347145880 is an apocalyptic number.

44347145880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44347145880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70464867840).

44347145880 is an abundant number, since it is smaller than the sum of its proper divisors (96582589800).

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

44347145880 is a wasteful number, since it uses less digits than its factorization.

44347145880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9649 (or 9645 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 48.

The spelling of 44347145880 in words is "forty-four billion, three hundred forty-seven million, one hundred forty-five thousand, eight hundred eighty".