431403403400 has 48 divisors (see below), whose sum is σ = 1003133163300. Its totient is φ = 172540673280.

The previous prime is 431403403363. The next prime is 431403403429. The reversal of 431403403400 is 4304304134.

It can be written as a sum of positive squares in 6 ways, for example, as 242948438404 + 188454964996 = 492898^2 + 434114^2 .

It is a super-2 number, since 2×431403403400² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 431403403400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1600814 + ... + 1850786.

Almost surely, 2^431403403400 is an apocalyptic number.

431403403400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431403403400 is an abundant number, since it is smaller than the sum of its proper divisors (571729759900).

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

431403403400 is a wasteful number, since it uses less digits than its factorization.

431403403400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258618 (or 258609 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 431403403400 its reverse (4304304134), we get a palindrome (435707707534).

The spelling of 431403403400 in words is "four hundred thirty-one billion, four hundred three million, four hundred three thousand, four hundred".