44429775856 has 40 divisors (see below), whose sum is σ = 89404865024. Its totient is φ = 21366348480.

The previous prime is 44429775853. The next prime is 44429775881. The reversal of 44429775856 is 65857792444.

It is a super-2 number, since 2×44429775856² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44429775794 and 44429775803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44429775851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193926 + ... + 355621.

Almost surely, 2^44429775856 is an apocalyptic number.

It is an amenable number.

44429775856 is an abundant number, since it is smaller than the sum of its proper divisors (44975089168).

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

44429775856 is a wasteful number, since it uses less digits than its factorization.

44429775856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549749 (or 549743 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 61.

The spelling of 44429775856 in words is "forty-four billion, four hundred twenty-nine million, seven hundred seventy-five thousand, eight hundred fifty-six".