431154052420 has 96 divisors (see below), whose sum is σ = 1132636006656. Its totient is φ = 134216179200.

The previous prime is 431154052391. The next prime is 431154052517. The reversal of 431154052420 is 24250451134.

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 31 ways as a sum of consecutive naturals, for example, 1830766 + ... + 2052805.

It is an arithmetic number, because the mean of its divisors is an integer number (11798291736).

Almost surely, 2^431154052420 is an apocalyptic number.

It is an amenable number.

431154052420 is an abundant number, since it is smaller than the sum of its proper divisors (701481954236).

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

431154052420 is a wasteful number, since it uses less digits than its factorization.

431154052420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883661 (or 3883659 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 431154052420 in words is "four hundred thirty-one billion, one hundred fifty-four million, fifty-two thousand, four hundred twenty".