431426436 has 48 divisors (see below), whose sum is σ = 1178540160. Its totient is φ = 120257280.

The previous prime is 431426431. The next prime is 431426453. The reversal of 431426436 is 634624134.

It is a super-2 number, since 2×431426436² = 372257539359324192, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 431426397 and 431426406.

It is not an unprimeable number, because it can be changed into a prime (431426431) 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, 59191 + ... + 66078.

It is an arithmetic number, because the mean of its divisors is an integer number (24552920).

Almost surely, 2^431426436 is an apocalyptic number.

It is an amenable number.

431426436 is an abundant number, since it is smaller than the sum of its proper divisors (747113724).

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

431426436 is a wasteful number, since it uses less digits than its factorization.

431426436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125324 (or 125322 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

The square root of 431426436 is about 20770.8073025581. The cubic root of 431426436 is about 755.6179237283.

The spelling of 431426436 in words is "four hundred thirty-one million, four hundred twenty-six thousand, four hundred thirty-six".