432431031340 has 48 divisors (see below), whose sum is σ = 1132183067904. Its totient is φ = 134783697600.

The previous prime is 432431031289. The next prime is 432431031341. The reversal of 432431031340 is 43130134234.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 432431031299 and 432431031308.

It is not an unprimeable number, because it can be changed into a prime (432431031341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140398146 + ... + 140401225.

It is an arithmetic number, because the mean of its divisors is an integer number (23587147248).

Almost surely, 2^432431031340 is an apocalyptic number.

It is an amenable number.

432431031340 is an abundant number, since it is smaller than the sum of its proper divisors (699752036564).

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

432431031340 is a wasteful number, since it uses less digits than its factorization.

432431031340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280799398 (or 280799396 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 432431031340 its reverse (43130134234), we get a palindrome (475561165574).

The spelling of 432431031340 in words is "four hundred thirty-two billion, four hundred thirty-one million, thirty-one thousand, three hundred forty".