431666412270 has 32 divisors (see below), whose sum is σ = 1036045765152. Its totient is φ = 115105890432.

The previous prime is 431666412269. The next prime is 431666412323. The reversal of 431666412270 is 72214666134.

It is a happy number.

It is a congruent number.

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, 384724 + ... + 1005656.

It is an arithmetic number, because the mean of its divisors is an integer number (32376430161).

Almost surely, 2^431666412270 is an apocalyptic number.

431666412270 is an abundant number, since it is smaller than the sum of its proper divisors (604379352882).

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

431666412270 is a wasteful number, since it uses less digits than its factorization.

431666412270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644116.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 431666412270 in words is "four hundred thirty-one billion, six hundred sixty-six million, four hundred twelve thousand, two hundred seventy".