431420040304 has 20 divisors (see below), whose sum is σ = 911865085560. Its totient is φ = 196100018240.

The previous prime is 431420040263. The next prime is 431420040329. The reversal of 431420040304 is 403040024134.

It is a super-2 number, since 2×431420040304² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225624939 + ... + 1225625290.

It is an arithmetic number, because the mean of its divisors is an integer number (45593254278).

Almost surely, 2^431420040304 is an apocalyptic number.

431420040304 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

431420040304 is an abundant number, since it is smaller than the sum of its proper divisors (480445045256).

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

431420040304 is a wasteful number, since it uses less digits than its factorization.

431420040304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451250248 (or 2451250242 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 431420040304 its reverse (403040024134), we get a palindrome (834460064438).

The spelling of 431420040304 in words is "four hundred thirty-one billion, four hundred twenty million, forty thousand, three hundred four".