40015312199 has 2 divisors, whose sum is σ = 40015312200. Its totient is φ = 40015312198.

The previous prime is 40015312177. The next prime is 40015312297. The reversal of 40015312199 is 99121351004.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40015312199 - 2¹² = 40015308103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40015362199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20007656099 + 20007656100.

It is an arithmetic number, because the mean of its divisors is an integer number (20007656100).

Almost surely, 2^40015312199 is an apocalyptic number.

40015312199 is a deficient number, since it is larger than the sum of its proper divisors (1).

40015312199 is an equidigital number, since it uses as much as digits as its factorization.

40015312199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The spelling of 40015312199 in words is "forty billion, fifteen million, three hundred twelve thousand, one hundred ninety-nine".