431780412 has 48 divisors (see below), whose sum is σ = 1154506752. Its totient is φ = 123034560.

The previous prime is 431780383. The next prime is 431780413. The reversal of 431780412 is 214087134.

It is a self number, because there is not a number n which added to its sum of digits gives 431780412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431780413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25462 + ... + 38882.

It is an arithmetic number, because the mean of its divisors is an integer number (24052224).

Almost surely, 2^431780412 is an apocalyptic number.

431780412 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

431780412 is an abundant number, since it is smaller than the sum of its proper divisors (722726340).

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

431780412 is a wasteful number, since it uses less digits than its factorization.

431780412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13818 (or 13816 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 431780412 is about 20779.3265530912. The cubic root of 431780412 is about 755.8245232548.

The spelling of 431780412 in words is "four hundred thirty-one million, seven hundred eighty thousand, four hundred twelve".