431542044252 has 96 divisors (see below), whose sum is σ = 1228011375360. Its totient is φ = 129967986240.

The previous prime is 431542044251. The next prime is 431542044257. The reversal of 431542044252 is 252440245134.

431542044252 is a `hidden beast` number, since 43 + 154 + 20 + 442 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431542044251) 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 31 ways as a sum of consecutive naturals, for example, 920623 + ... + 1307910.

It is an arithmetic number, because the mean of its divisors is an integer number (12791785160).

Almost surely, 2^431542044252 is an apocalyptic number.

It is an amenable number.

431542044252 is an abundant number, since it is smaller than the sum of its proper divisors (796469331108).

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

431542044252 is a wasteful number, since it uses less digits than its factorization.

431542044252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228720 (or 2228712 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 431542044252 its reverse (252440245134), we get a palindrome (683982289386).

The spelling of 431542044252 in words is "four hundred thirty-one billion, five hundred forty-two million, forty-four thousand, two hundred fifty-two".