44161455231 has 40 divisors (see below), whose sum is σ = 66740006784. Its totient is φ = 29098180800.

The previous prime is 44161455227. The next prime is 44161455251. The reversal of 44161455231 is 13255416144.

44161455231 is a `hidden beast` number, since 4 + 4 + 1 + 614 + 5 + 5 + 2 + 31 = 666.

44161455231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44161455231 - 2² = 44161455227 is a prime.

It is a super-2 number, since 2×44161455231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44161455251) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4961421 + ... + 4970313.

Almost surely, 2^44161455231 is an apocalyptic number.

44161455231 is a deficient number, since it is larger than the sum of its proper divisors (22578551553).

44161455231 is a wasteful number, since it uses less digits than its factorization.

44161455231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9613 (or 9604 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The spelling of 44161455231 in words is "forty-four billion, one hundred sixty-one million, four hundred fifty-five thousand, two hundred thirty-one".