40881335039 has 4 divisors (see below), whose sum is σ = 41986236024. Its totient is φ = 39776434056.

The previous prime is 40881334961. The next prime is 40881335051. The reversal of 40881335039 is 93053318804.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40881335039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40881335069) 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, 552450437 + ... + 552450510.

It is an arithmetic number, because the mean of its divisors is an integer number (10496559006).

Almost surely, 2^40881335039 is an apocalyptic number.

40881335039 is a deficient number, since it is larger than the sum of its proper divisors (1104900985).

40881335039 is a wasteful number, since it uses less digits than its factorization.

40881335039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104900984.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 40881335039 in words is "forty billion, eight hundred eighty-one million, three hundred thirty-five thousand, thirty-nine".