431624321256424 has 32 divisors (see below), whose sum is σ = 820801828707840. Its totient is φ = 212744631355200.

The previous prime is 431624321256397. The next prime is 431624321256431. The reversal of 431624321256424 is 424652123426134.

It is a super-2 number, since 2×431624321256424² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45527064 + ... + 54184519.

It is an arithmetic number, because the mean of its divisors is an integer number (25650057147120).

Almost surely, 2^{431624321256424} is an apocalyptic number.

It is an amenable number.

431624321256424 is a deficient number, since it is larger than the sum of its proper divisors (389177507451416).

431624321256424 is a wasteful number, since it uses less digits than its factorization.

431624321256424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99719281 (or 99719277 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 49.

The spelling of 431624321256424 in words is "four hundred thirty-one trillion, six hundred twenty-four billion, three hundred twenty-one million, two hundred fifty-six thousand, four hundred twenty-four".