4040890491269 has 4 divisors (see below), whose sum is σ = 4044554037696. Its totient is φ = 4037226944844.

The previous prime is 4040890491217. The next prime is 4040890491293. The reversal of 4040890491269 is 9621940980404.

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 not a de Polignac number, because 4040890491269 - 2⁸ = 4040890491013 is a prime.

It is a super-2 number, since 2×4040890491269² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040890491299) 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, 1831771559 + ... + 1831773764.

It is an arithmetic number, because the mean of its divisors is an integer number (1011138509424).

Almost surely, 2^{4040890491269} is an apocalyptic number.

It is an amenable number.

4040890491269 is a deficient number, since it is larger than the sum of its proper divisors (3663546427).

4040890491269 is a wasteful number, since it uses less digits than its factorization.

4040890491269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663546426.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 4040890491269 in words is "four trillion, forty billion, eight hundred ninety million, four hundred ninety-one thousand, two hundred sixty-nine".