431425909872 has 60 divisors (see below), whose sum is σ = 1207690991520. Its totient is φ = 143773185024.

The previous prime is 431425909861. The next prime is 431425909879. The reversal of 431425909872 is 278909524134.

431425909872 is a `hidden beast` number, since 4 + 3 + 1 + 42 + 590 + 9 + 8 + 7 + 2 = 666.

It is a super-2 number, since 2×431425909872² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431425909879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220128 + ... + 954624.

It is an arithmetic number, because the mean of its divisors is an integer number (20128183192).

Almost surely, 2^431425909872 is an apocalyptic number.

It is an amenable number.

431425909872 is an abundant number, since it is smaller than the sum of its proper divisors (776265081648).

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

431425909872 is a wasteful number, since it uses less digits than its factorization.

431425909872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738590 (or 738581 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 431425909872 in words is "four hundred thirty-one billion, four hundred twenty-five million, nine hundred nine thousand, eight hundred seventy-two".