431330988740 has 48 divisors (see below), whose sum is σ = 910444568880. Its totient is φ = 171648184320.

The previous prime is 431330988733. The next prime is 431330988757. The reversal of 431330988740 is 47889033134.

It can be written as a sum of positive squares in 8 ways, for example, as 56414800324 + 374916188416 = 237518^2 + 612304^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4935746 + ... + 5022374.

It is an arithmetic number, because the mean of its divisors is an integer number (18967595185).

Almost surely, 2^431330988740 is an apocalyptic number.

It is an amenable number.

431330988740 is an abundant number, since it is smaller than the sum of its proper divisors (479113580140).

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

431330988740 is a wasteful number, since it uses less digits than its factorization.

431330988740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87912 (or 87910 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 431330988740 in words is "four hundred thirty-one billion, three hundred thirty million, nine hundred eighty-eight thousand, seven hundred forty".