431232322040 has 32 divisors (see below), whose sum is σ = 1044909089280. Its totient is φ = 159224241792.

The previous prime is 431232321979. The next prime is 431232322127. The reversal of 431232322040 is 40223232134.

It is a super-2 number, since 2×431232322040² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 414645944 + ... + 414646983.

It is an arithmetic number, because the mean of its divisors is an integer number (32653409040).

Almost surely, 2^431232322040 is an apocalyptic number.

431232322040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431232322040 is an abundant number, since it is smaller than the sum of its proper divisors (613676767240).

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

431232322040 is a wasteful number, since it uses less digits than its factorization.

431232322040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829292951 (or 829292947 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 431232322040 its reverse (40223232134), we get a palindrome (471455554174).

The spelling of 431232322040 in words is "four hundred thirty-one billion, two hundred thirty-two million, three hundred twenty-two thousand, forty".