431887783480 has 32 divisors (see below), whose sum is σ = 972701233200. Its totient is φ = 172585563136.

The previous prime is 431887783441. The next prime is 431887783513. The reversal of 431887783480 is 84387788134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5257177 + ... + 5338696.

Almost surely, 2^431887783480 is an apocalyptic number.

431887783480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431887783480 is an abundant number, since it is smaller than the sum of its proper divisors (540813449720).

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

431887783480 is a wasteful number, since it uses less digits than its factorization.

431887783480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10596903 (or 10596899 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 61.

The spelling of 431887783480 in words is "four hundred thirty-one billion, eight hundred eighty-seven million, seven hundred eighty-three thousand, four hundred eighty".