431400660466 has 16 divisors (see below), whose sum is σ = 655324560000. Its totient is φ = 212959410768.

The previous prime is 431400660413. The next prime is 431400660527. The reversal of 431400660466 is 664066004134.

It is a super-2 number, since 2×431400660466² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3855181 + ... + 3965503.

It is an arithmetic number, because the mean of its divisors is an integer number (40957785000).

Almost surely, 2^431400660466 is an apocalyptic number.

431400660466 is a deficient number, since it is larger than the sum of its proper divisors (223923899534).

431400660466 is a wasteful number, since it uses less digits than its factorization.

431400660466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135153.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 431400660466 in words is "four hundred thirty-one billion, four hundred million, six hundred sixty thousand, four hundred sixty-six".