40199268349 has 4 divisors (see below), whose sum is σ = 40431634236. Its totient is φ = 39966902464.

The previous prime is 40199268341. The next prime is 40199268469. The reversal of 40199268349 is 94386299104.

40199268349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21284767449 + 18914500900 = 145893^2 + 137530^2 .

It is a cyclic number.

It is not a de Polignac number, because 40199268349 - 2³ = 40199268341 is a prime.

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 40199268349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40199268341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116182684 + ... + 116183029.

It is an arithmetic number, because the mean of its divisors is an integer number (10107908559).

Almost surely, 2^40199268349 is an apocalyptic number.

It is an amenable number.

40199268349 is a deficient number, since it is larger than the sum of its proper divisors (232365887).

40199268349 is a wasteful number, since it uses less digits than its factorization.

40199268349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232365886.

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 40199268349 in words is "forty billion, one hundred ninety-nine million, two hundred sixty-eight thousand, three hundred forty-nine".