44403872440 has 32 divisors (see below), whose sum is σ = 99988182000. Its totient is φ = 17747421184.

The previous prime is 44403872431. The next prime is 44403872489. The reversal of 44403872440 is 4427830444.

44403872440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 44403872393 and 44403872402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390505 + ... + 491224.

Almost surely, 2^44403872440 is an apocalyptic number.

44403872440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44403872440 is an abundant number, since it is smaller than the sum of its proper divisors (55584309560).

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

44403872440 is a wasteful number, since it uses less digits than its factorization.

44403872440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882999 (or 882995 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 40.

The spelling of 44403872440 in words is "forty-four billion, four hundred three million, eight hundred seventy-two thousand, four hundred forty".