40838119129 has 4 divisors (see below), whose sum is σ = 42987493840. Its totient is φ = 38688744420.

The previous prime is 40838119123. The next prime is 40838119159. The reversal of 40838119129 is 92191183804.

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 40838119129 - 2²⁷ = 40703901401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40838119123) 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, 1074687327 + ... + 1074687364.

It is an arithmetic number, because the mean of its divisors is an integer number (10746873460).

Almost surely, 2^40838119129 is an apocalyptic number.

It is an amenable number.

40838119129 is a deficient number, since it is larger than the sum of its proper divisors (2149374711).

40838119129 is a wasteful number, since it uses less digits than its factorization.

40838119129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149374710.

The product of its (nonzero) digits is 124416, while the sum is 46.

The spelling of 40838119129 in words is "forty billion, eight hundred thirty-eight million, one hundred nineteen thousand, one hundred twenty-nine".