40268971899 has 12 divisors (see below), whose sum is σ = 62640623136. Its totient is φ = 24780905712.

The previous prime is 40268971871. The next prime is 40268971937. The reversal of 40268971899 is 99817986204.

40268971899 is a `hidden beast` number, since 402 + 6 + 89 + 71 + 89 + 9 = 666.

It is not a de Polignac number, because 40268971899 - 2³² = 35974004603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40268975899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172089507 + ... + 172089740.

It is an arithmetic number, because the mean of its divisors is an integer number (5220051928).

Almost surely, 2^40268971899 is an apocalyptic number.

40268971899 is a deficient number, since it is larger than the sum of its proper divisors (22371651237).

40268971899 is a wasteful number, since it uses less digits than its factorization.

40268971899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344179266 (or 344179263 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 40268971899 in words is "forty billion, two hundred sixty-eight million, nine hundred seventy-one thousand, eight hundred ninety-nine".