40469792849 has 4 divisors (see below), whose sum is σ = 40471099200. Its totient is φ = 40468486500.

The previous prime is 40469792837. The next prime is 40469792903. The reversal of 40469792849 is 94829796404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40469792849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40469792791 and 40469792800.

It is not an unprimeable number, because it can be changed into a prime (40469792819) 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, 605549 + ... + 669050.

It is an arithmetic number, because the mean of its divisors is an integer number (10117774800).

Almost surely, 2^40469792849 is an apocalyptic number.

It is an amenable number.

40469792849 is a deficient number, since it is larger than the sum of its proper divisors (1306351).

40469792849 is a wasteful number, since it uses less digits than its factorization.

40469792849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306350.

The product of its (nonzero) digits is 31352832, while the sum is 62.

The spelling of 40469792849 in words is "forty billion, four hundred sixty-nine million, seven hundred ninety-two thousand, eight hundred forty-nine".