44004884440 has 64 divisors (see below), whose sum is σ = 109624181760. Its totient is φ = 15762933120.

The previous prime is 44004884423. The next prime is 44004884453. The reversal of 44004884440 is 4448840044.

It is a super-2 number, since 2×44004884440² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 44004884393 and 44004884402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 716872 + ... + 775831.

It is an arithmetic number, because the mean of its divisors is an integer number (1712877840).

Almost surely, 2^44004884440 is an apocalyptic number.

44004884440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44004884440 is an abundant number, since it is smaller than the sum of its proper divisors (65619297320).

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

44004884440 is a wasteful number, since it uses less digits than its factorization.

44004884440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492792 (or 1492788 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 40.

The spelling of 44004884440 in words is "forty-four billion, four million, eight hundred eighty-four thousand, four hundred forty".