431542426 has 16 divisors (see below), whose sum is σ = 751916160. Its totient is φ = 181914480.

The previous prime is 431542411. The next prime is 431542429. The reversal of 431542426 is 624245134.

It is not an unprimeable number, because it can be changed into a prime (431542429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251806 + ... + 253513.

It is an arithmetic number, because the mean of its divisors is an integer number (46994760).

Almost surely, 2^431542426 is an apocalyptic number.

431542426 is a deficient number, since it is larger than the sum of its proper divisors (320373734).

431542426 is a wasteful number, since it uses less digits than its factorization.

431542426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505389.

The product of its digits is 23040, while the sum is 31.

The square root of 431542426 is about 20773.5992548234. The cubic root of 431542426 is about 755.6856342056.

The spelling of 431542426 in words is "four hundred thirty-one million, five hundred forty-two thousand, four hundred twenty-six".