40431532299 has 16 divisors (see below), whose sum is σ = 55170192000. Its totient is φ = 26323790976.

The previous prime is 40431532241. The next prime is 40431532303. The reversal of 40431532299 is 99223513404.

It is a de Polignac number, because none of the positive numbers 2^k-40431532299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40431532299.

It is not an unprimeable number, because it can be changed into a prime (40431532199) 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 15 ways as a sum of consecutive naturals, for example, 1123812 + ... + 1159230.

It is an arithmetic number, because the mean of its divisors is an integer number (3448137000).

Almost surely, 2^40431532299 is an apocalyptic number.

40431532299 is a deficient number, since it is larger than the sum of its proper divisors (14738659701).

40431532299 is a wasteful number, since it uses less digits than its factorization.

40431532299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44314.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 40431532299 in words is "forty billion, four hundred thirty-one million, five hundred thirty-two thousand, two hundred ninety-nine".