40233521499 has 4 divisors (see below), whose sum is σ = 53644695336. Its totient is φ = 26822347664.

The previous prime is 40233521483. The next prime is 40233521521. The reversal of 40233521499 is 99412533204.

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 40233521499 - 2⁴ = 40233521483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40233521499.

It is not an unprimeable number, because it can be changed into a prime (40233521299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6705586914 + ... + 6705586919.

It is an arithmetic number, because the mean of its divisors is an integer number (13411173834).

Almost surely, 2^40233521499 is an apocalyptic number.

40233521499 is a deficient number, since it is larger than the sum of its proper divisors (13411173837).

40233521499 is a wasteful number, since it uses less digits than its factorization.

40233521499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13411173836.

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

The spelling of 40233521499 in words is "forty billion, two hundred thirty-three million, five hundred twenty-one thousand, four hundred ninety-nine".