431256040366116 has 96 divisors (see below), whose sum is σ = 1152155234836480. Its totient is φ = 122986905548544.

The previous prime is 431256040366093. The next prime is 431256040366147. The reversal of 431256040366116 is 611663040652134.

It is a happy number.

It is a super-2 number, since 2×431256040366116² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239920920 + ... + 241711728.

Almost surely, 2^{431256040366116} is an apocalyptic number.

It is an amenable number.

431256040366116 is an abundant number, since it is smaller than the sum of its proper divisors (720899194470364).

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

431256040366116 is a wasteful number, since it uses less digits than its factorization.

431256040366116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796153 (or 1796151 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 431256040366116 in words is "four hundred thirty-one trillion, two hundred fifty-six billion, forty million, three hundred sixty-six thousand, one hundred sixteen".