431400233244 has 48 divisors (see below), whose sum is σ = 1014983278848. Its totient is φ = 142604688768.

The previous prime is 431400233213. The next prime is 431400233311. The reversal of 431400233244 is 442332004134.

It is a happy number.

It is a super-2 number, since 2×431400233244² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1482579 + ... + 1749525.

It is an arithmetic number, because the mean of its divisors is an integer number (21145484976).

Almost surely, 2^431400233244 is an apocalyptic number.

It is an amenable number.

431400233244 is an abundant number, since it is smaller than the sum of its proper divisors (583583045604).

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

431400233244 is a wasteful number, since it uses less digits than its factorization.

431400233244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268074 (or 268072 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 431400233244 its reverse (442332004134), we get a palindrome (873732237378).

The spelling of 431400233244 in words is "four hundred thirty-one billion, four hundred million, two hundred thirty-three thousand, two hundred forty-four".