40133663999 has 32 divisors (see below), whose sum is σ = 49228300800. Its totient is φ = 32195813760.

The previous prime is 40133663993. The next prime is 40133664041. The reversal of 40133663999 is 99936633104.

It is a de Polignac number, because none of the positive numbers 2^k-40133663999 is a prime.

It is a super-2 number, since 2×40133663999² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40133663999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40133663993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10618292 + ... + 10622070.

It is an arithmetic number, because the mean of its divisors is an integer number (1538384400).

Almost surely, 2^40133663999 is an apocalyptic number.

40133663999 is a deficient number, since it is larger than the sum of its proper divisors (9094636801).

40133663999 is a wasteful number, since it uses less digits than its factorization.

40133663999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7055.

The product of its (nonzero) digits is 2834352, while the sum is 53.

The spelling of 40133663999 in words is "forty billion, one hundred thirty-three million, six hundred sixty-three thousand, nine hundred ninety-nine".