44720140560 has 80 divisors (see below), whose sum is σ = 138692385024. Its totient is φ = 11920214016.

The previous prime is 44720140559. The next prime is 44720140607. The reversal of 44720140560 is 6504102744.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×44720140560² (a number of 22 digits) contains 22 as substring.

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, 532824 + ... + 611016.

Almost surely, 2^44720140560 is an apocalyptic number.

44720140560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44720140560 is an abundant number, since it is smaller than the sum of its proper divisors (93972244464).

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

44720140560 is a wasteful number, since it uses less digits than its factorization.

44720140560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80592 (or 80586 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The spelling of 44720140560 in words is "forty-four billion, seven hundred twenty million, one hundred forty thousand, five hundred sixty".