40231199232 has 400 divisors, whose sum is σ = 138359686080. Its totient is φ = 11400486912.

The previous prime is 40231199231. The next prime is 40231199249. The reversal of 40231199232 is 23299113204.

40231199232 is a `hidden beast` number, since 4 + 0 + 231 + 199 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40231199231) 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 39 ways as a sum of consecutive naturals, for example, 40351758 + ... + 40352754.

Almost surely, 2^40231199232 is an apocalyptic number.

40231199232 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40231199232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69179843040).

40231199232 is an abundant number, since it is smaller than the sum of its proper divisors (98128486848).

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

40231199232 is an equidigital number, since it uses as much as digits as its factorization.

40231199232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 40231199232 in words is "forty billion, two hundred thirty-one million, one hundred ninety-nine thousand, two hundred thirty-two".