40403231300 has 18 divisors (see below), whose sum is σ = 87675012138. Its totient is φ = 16161292480.

The previous prime is 40403231291. The next prime is 40403231311. The reversal of 40403231300 is 313230404.

It can be written as a sum of positive squares in 3 ways, for example, as 17505856 + 40385725444 = 4184^2 + 200962^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 202016057 + ... + 202016256.

Almost surely, 2^40403231300 is an apocalyptic number.

It is an amenable number.

40403231300 is an abundant number, since it is smaller than the sum of its proper divisors (47271780838).

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

40403231300 is a wasteful number, since it uses less digits than its factorization.

40403231300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404032327 (or 404032320 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 40403231300 its reverse (313230404), we get a palindrome (40716461704).

The spelling of 40403231300 in words is "forty billion, four hundred three million, two hundred thirty-one thousand, three hundred".