431969144 has 16 divisors (see below), whose sum is σ = 810661920. Its totient is φ = 215792640.

The previous prime is 431969137. The next prime is 431969171. The reversal of 431969144 is 441969134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14192 + ... + 32639.

It is an arithmetic number, because the mean of its divisors is an integer number (50666370).

Almost surely, 2^431969144 is an apocalyptic number.

It is an amenable number.

431969144 is a deficient number, since it is larger than the sum of its proper divisors (378692776).

431969144 is a wasteful number, since it uses less digits than its factorization.

431969144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47990 (or 47986 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 431969144 is about 20783.8673975755. The cubic root of 431969144 is about 755.9346313029.

The spelling of 431969144 in words is "four hundred thirty-one million, nine hundred sixty-nine thousand, one hundred forty-four".