431400401010 has 64 divisors (see below), whose sum is σ = 1150757055360. Its totient is φ = 115004508480.

The previous prime is 431400400987. The next prime is 431400401021. The reversal of 431400401010 is 10104004134.

It is a super-2 number, since 2×431400401010² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 632725 + ... + 1123895.

It is an arithmetic number, because the mean of its divisors is an integer number (17980578990).

Almost surely, 2^431400401010 is an apocalyptic number.

431400401010 is an abundant number, since it is smaller than the sum of its proper divisors (719356654350).

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

431400401010 is a wasteful number, since it uses less digits than its factorization.

431400401010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494440 (or 494434 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 431400401010 its reverse (10104004134), we get a palindrome (441504405144).

The spelling of 431400401010 in words is "four hundred thirty-one billion, four hundred million, four hundred one thousand, ten".