44806885431 has 128 divisors (see below), whose sum is σ = 81707139072. Its totient is φ = 21145075200.

The previous prime is 44806885427. The next prime is 44806885447. The reversal of 44806885431 is 13458860844.

It is not a de Polignac number, because 44806885431 - 2² = 44806885427 is a prime.

It is a super-2 number, since 2×44806885431² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44806885471) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 116989066 + ... + 116989448.

It is an arithmetic number, because the mean of its divisors is an integer number (638337024).

Almost surely, 2^44806885431 is an apocalyptic number.

44806885431 is a deficient number, since it is larger than the sum of its proper divisors (36900253641).

44806885431 is a wasteful number, since it uses less digits than its factorization.

44806885431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 51.

The spelling of 44806885431 in words is "forty-four billion, eight hundred six million, eight hundred eighty-five thousand, four hundred thirty-one".