431240422325520 has 160 divisors (see below), whose sum is σ = 1338235963523712. Its totient is φ = 114877868322816.

The previous prime is 431240422325491. The next prime is 431240422325521. The reversal of 431240422325520 is 25523224042134.

It is not an unprimeable number, because it can be changed into a prime (431240422325521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1151959494 + ... + 1152333786.

Almost surely, 2^{431240422325520} is an apocalyptic number.

431240422325520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431240422325520 is an abundant number, since it is smaller than the sum of its proper divisors (906995541198192).

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

431240422325520 is a wasteful number, since it uses less digits than its factorization.

431240422325520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379289 (or 379283 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 431240422325520 its reverse (25523224042134), we get a palindrome (456763646367654).

The spelling of 431240422325520 in words is "four hundred thirty-one trillion, two hundred forty billion, four hundred twenty-two million, three hundred twenty-five thousand, five hundred twenty".