40903631999 has 4 divisors (see below), whose sum is σ = 40905547200. Its totient is φ = 40901716800.

The previous prime is 40903631987. The next prime is 40903632013. The reversal of 40903631999 is 99913630904.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40903631999 is a prime.

It is a super-2 number, since 2×40903631999² (a number of 22 digits) contains 22 as substring.

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 40903631999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40903631929) 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, 925199 + ... + 968400.

It is an arithmetic number, because the mean of its divisors is an integer number (10226386800).

Almost surely, 2^40903631999 is an apocalyptic number.

40903631999 is a deficient number, since it is larger than the sum of its proper divisors (1915201).

40903631999 is a wasteful number, since it uses less digits than its factorization.

40903631999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915200.

The product of its (nonzero) digits is 1417176, while the sum is 53.

The spelling of 40903631999 in words is "forty billion, nine hundred three million, six hundred thirty-one thousand, nine hundred ninety-nine".