40229667839 has 4 divisors (see below), whose sum is σ = 41978783856. Its totient is φ = 38480551824.

The previous prime is 40229667827. The next prime is 40229667847. The reversal of 40229667839 is 93876692204.

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

It is a cyclic number.

It is not a de Polignac number, because 40229667839 - 2⁴ = 40229667823 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 (40229667859) 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, 874557974 + ... + 874558019.

It is an arithmetic number, because the mean of its divisors is an integer number (10494695964).

Almost surely, 2^40229667839 is an apocalyptic number.

40229667839 is a deficient number, since it is larger than the sum of its proper divisors (1749116017).

40229667839 is a wasteful number, since it uses less digits than its factorization.

40229667839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749116016.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 40229667839 in words is "forty billion, two hundred twenty-nine million, six hundred sixty-seven thousand, eight hundred thirty-nine".