44375457632440 has 128 divisors (see below), whose sum is σ = 112444956241920. Its totient is φ = 15614638617600.

The previous prime is 44375457632419. The next prime is 44375457632447. The reversal of 44375457632440 is 4423675457344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44375457632447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163640004 + ... + 163910956.

It is an arithmetic number, because the mean of its divisors is an integer number (878476220640).

Almost surely, 2^{44375457632440} is an apocalyptic number.

44375457632440 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 44375457632440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56222478120960).

44375457632440 is an abundant number, since it is smaller than the sum of its proper divisors (68069498609480).

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

44375457632440 is a wasteful number, since it uses less digits than its factorization.

44375457632440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283013 (or 283009 counting only the distinct ones).

The product of its (nonzero) digits is 135475200, while the sum is 58.

The spelling of 44375457632440 in words is "forty-four trillion, three hundred seventy-five billion, four hundred fifty-seven million, six hundred thirty-two thousand, four hundred forty".