431055400 has 48 divisors (see below), whose sum is σ = 1061165340. Its totient is φ = 162278400.

The previous prime is 431055389. The next prime is 431055409. The reversal of 431055400 is 4550134.

It can be written as a sum of positive squares in 6 ways, for example, as 178436164 + 252619236 = 13358^2 + 15894^2 .

It is not an unprimeable number, because it can be changed into a prime (431055409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59991 + ... + 66790.

Almost surely, 2^431055400 is an apocalyptic number.

431055400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431055400 is an abundant number, since it is smaller than the sum of its proper divisors (630109940).

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

431055400 is a wasteful number, since it uses less digits than its factorization.

431055400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126814 (or 126805 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 431055400 is about 20761.8737112044. The cubic root of 431055400 is about 755.4012457200.

The spelling of 431055400 in words is "four hundred thirty-one million, fifty-five thousand, four hundred".