44402686440 has 64 divisors (see below), whose sum is σ = 152237784960. Its totient is φ = 10149185280.

The previous prime is 44402686411. The next prime is 44402686453. The reversal of 44402686440 is 4468620444.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 44402686392 and 44402686401.

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 15 ways as a sum of consecutive naturals, for example, 26429331 + ... + 26431010.

It is an arithmetic number, because the mean of its divisors is an integer number (2378715390).

Almost surely, 2^44402686440 is an apocalyptic number.

44402686440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44402686440 is an abundant number, since it is smaller than the sum of its proper divisors (107835098520).

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

44402686440 is a wasteful number, since it uses less digits than its factorization.

44402686440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52860362 (or 52860358 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 42.

The spelling of 44402686440 in words is "forty-four billion, four hundred two million, six hundred eighty-six thousand, four hundred forty".