424131432 has 16 divisors (see below), whose sum is σ = 1060328640. Its totient is φ = 141377136.

The previous prime is 424131397. The next prime is 424131437. The reversal of 424131432 is 234131424.

It is a super-2 number, since 2×424131432² = 359774943220741248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 17672143 = 424131432 / (4 + 2 + 4 + 1 + 3 + 1 + 4 + 3 + 2).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (424131437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8836048 + ... + 8836095.

It is an arithmetic number, because the mean of its divisors is an integer number (66270540).

Almost surely, 2^424131432 is an apocalyptic number.

It is an amenable number.

424131432 is an abundant number, since it is smaller than the sum of its proper divisors (636197208).

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

424131432 is a wasteful number, since it uses less digits than its factorization.

424131432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17672152 (or 17672148 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 424131432 is about 20594.4514857765. The cubic root of 424131432 is about 751.3347680055.

Adding to 424131432 its reverse (234131424), we get a palindrome (658262856).

The spelling of 424131432 in words is "four hundred twenty-four million, one hundred thirty-one thousand, four hundred thirty-two".