431444253424 has 10 divisors (see below), whose sum is σ = 835923241040. Its totient is φ = 215722126704.

The previous prime is 431444253419. The next prime is 431444253473. The reversal of 431444253424 is 424352444134.

It is a super-2 number, since 2×431444253424² (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 as a sum of consecutive naturals, namely, 13482632904 + ... + 13482632935.

It is an arithmetic number, because the mean of its divisors is an integer number (83592324104).

Almost surely, 2^431444253424 is an apocalyptic number.

It is an amenable number.

431444253424 is a deficient number, since it is larger than the sum of its proper divisors (404478987616).

431444253424 is a wasteful number, since it uses less digits than its factorization.

431444253424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26965265847 (or 26965265841 counting only the distinct ones).

The product of its digits is 737280, while the sum is 40.

Adding to 431444253424 its reverse (424352444134), we get a palindrome (855796697558).

The spelling of 431444253424 in words is "four hundred thirty-one billion, four hundred forty-four million, two hundred fifty-three thousand, four hundred twenty-four".