44249946840 has 640 divisors, whose sum is σ = 169378007040. Its totient is φ = 10349856000.

The previous prime is 44249946827. The next prime is 44249946863. The reversal of 44249946840 is 4864994244.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 133685475 + ... + 133685805.

It is an arithmetic number, because the mean of its divisors is an integer number (264653136).

Almost surely, 2^44249946840 is an apocalyptic number.

44249946840 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 44249946840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84689003520).

44249946840 is an abundant number, since it is smaller than the sum of its proper divisors (125128060200).

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

44249946840 is a wasteful number, since it uses less digits than its factorization.

44249946840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 54.

The spelling of 44249946840 in words is "forty-four billion, two hundred forty-nine million, nine hundred forty-six thousand, eight hundred forty".