431661541526452 has 36 divisors (see below), whose sum is σ = 788140022281248. Its totient is φ = 206840638249200.

The previous prime is 431661541526387. The next prime is 431661541526459. The reversal of 431661541526452 is 254625145166134.

It is a junction number, because it is equal to n+sod(n) for n = 431661541526393 and 431661541526402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431661541526459) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 544724874 + ... + 545516737.

Almost surely, 2^{431661541526452} is an apocalyptic number.

It is an amenable number.

431661541526452 is a deficient number, since it is larger than the sum of its proper divisors (356478480754796).

431661541526452 is a wasteful number, since it uses less digits than its factorization.

431661541526452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090241780 (or 1090241747 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 55.

The spelling of 431661541526452 in words is "four hundred thirty-one trillion, six hundred sixty-one billion, five hundred forty-one million, five hundred twenty-six thousand, four hundred fifty-two".