44420506840 has 32 divisors (see below), whose sum is σ = 100075506480. Its totient is φ = 17745204352.

The previous prime is 44420506787. The next prime is 44420506883. The reversal of 44420506840 is 4860502444.

It is a happy number.

44420506840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 44420506840.

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, 687394 + ... + 749233.

Almost surely, 2^44420506840 is an apocalyptic number.

44420506840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44420506840 is an abundant number, since it is smaller than the sum of its proper divisors (55654999640).

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

44420506840 is a wasteful number, since it uses less digits than its factorization.

44420506840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437411 (or 1437407 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 37.

The spelling of 44420506840 in words is "forty-four billion, four hundred twenty million, five hundred six thousand, eight hundred forty".