40864633049849 has 16 divisors (see below), whose sum is σ = 48314842329600. Its totient is φ = 33817623693504.

The previous prime is 40864633049813. The next prime is 40864633049873. The reversal of 40864633049849 is 94894033646804.

It is not a de Polignac number, because 40864633049849 - 2²⁰ = 40864632001273 is a prime.

It is a super-2 number, since 2×40864633049849² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40864633045849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 875267 + ... + 9082695.

It is an arithmetic number, because the mean of its divisors is an integer number (3019677645600).

Almost surely, 2^{40864633049849} is an apocalyptic number.

It is an amenable number.

40864633049849 is a deficient number, since it is larger than the sum of its proper divisors (7450209279751).

40864633049849 is a wasteful number, since it uses less digits than its factorization.

40864633049849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8231992.

The product of its (nonzero) digits is 429981696, while the sum is 68.

The spelling of 40864633049849 in words is "forty trillion, eight hundred sixty-four billion, six hundred thirty-three million, forty-nine thousand, eight hundred forty-nine".