431887147090 has 48 divisors (see below), whose sum is σ = 905379840792. Its totient is φ = 147901856256.

The previous prime is 431887147079. The next prime is 431887147157. The reversal of 431887147090 is 90741788134.

It can be written as a sum of positive squares in 4 ways, for example, as 332851686489 + 99035460601 = 576933^2 + 314699^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98679 + ... + 934618.

Almost surely, 2^431887147090 is an apocalyptic number.

431887147090 is an abundant number, since it is smaller than the sum of its proper divisors (473492693702).

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

431887147090 is a wasteful number, since it uses less digits than its factorization.

431887147090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034171 (or 1034164 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 431887147090 in words is "four hundred thirty-one billion, eight hundred eighty-seven million, one hundred forty-seven thousand, ninety".