40431311400 has 96 divisors (see below), whose sum is σ = 125383939200. Its totient is φ = 10777651200.

The previous prime is 40431311377. The next prime is 40431311407. The reversal of 40431311400 is 411313404.

It is not an unprimeable number, because it can be changed into a prime (40431311407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1813521 + ... + 1835679.

It is an arithmetic number, because the mean of its divisors is an integer number (1306082700).

Almost surely, 2^40431311400 is an apocalyptic number.

40431311400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40431311400 is an abundant number, since it is smaller than the sum of its proper divisors (84952627800).

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

40431311400 is a wasteful number, since it uses less digits than its factorization.

40431311400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25219 (or 25210 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 40431311400 its reverse (411313404), we get a palindrome (40842624804).

The spelling of 40431311400 in words is "forty billion, four hundred thirty-one million, three hundred eleven thousand, four hundred".