40036025999 has 4 divisors (see below), whose sum is σ = 41012514480. Its totient is φ = 39059537520.

The previous prime is 40036025987. The next prime is 40036026007. The reversal of 40036025999 is 99952063004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40036025999 - 2¹⁶ = 40035960463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40036025399) 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 3 ways as a sum of consecutive naturals, for example, 488244179 + ... + 488244260.

It is an arithmetic number, because the mean of its divisors is an integer number (10253128620).

Almost surely, 2^40036025999 is an apocalyptic number.

40036025999 is a deficient number, since it is larger than the sum of its proper divisors (976488481).

40036025999 is an equidigital number, since it uses as much as digits as its factorization.

40036025999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976488480.

The product of its (nonzero) digits is 524880, while the sum is 47.

The spelling of 40036025999 in words is "forty billion, thirty-six million, twenty-five thousand, nine hundred ninety-nine".