431280942378 has 32 divisors (see below), whose sum is σ = 1013359419072. Its totient is φ = 120638025600.

The previous prime is 431280942343. The next prime is 431280942403. The reversal of 431280942378 is 873249082134.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 431280942378.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251328363 + ... + 251330078.

It is an arithmetic number, because the mean of its divisors is an integer number (31667481846).

Almost surely, 2^431280942378 is an apocalyptic number.

431280942378 is an abundant number, since it is smaller than the sum of its proper divisors (582078476694).

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

431280942378 is a wasteful number, since it uses less digits than its factorization.

431280942378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502658470.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 431280942378 in words is "four hundred thirty-one billion, two hundred eighty million, nine hundred forty-two thousand, three hundred seventy-eight".