431481456 has 90 divisors (see below), whose sum is σ = 1404722592. Its totient is φ = 123278400.

The previous prime is 431481451. The next prime is 431481481. The reversal of 431481456 is 654184134.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 431481456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431481451) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23520 + ... + 37631.

Almost surely, 2^431481456 is an apocalyptic number.

It is an amenable number.

431481456 is an abundant number, since it is smaller than the sum of its proper divisors (973241136).

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

431481456 is a wasteful number, since it uses less digits than its factorization.

431481456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61179 (or 61163 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 431481456 is about 20772.1317153536. The cubic root of 431481456 is about 755.6500437898.

The spelling of 431481456 in words is "four hundred thirty-one million, four hundred eighty-one thousand, four hundred fifty-six".