40004234139 has 4 divisors (see below), whose sum is σ = 53338978856. Its totient is φ = 26669489424.

The previous prime is 40004234119. The next prime is 40004234143. The reversal of 40004234139 is 93143240004.

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

It is not a de Polignac number, because 40004234139 - 2⁸ = 40004233883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40004234119) 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, 6667372354 + ... + 6667372359.

It is an arithmetic number, because the mean of its divisors is an integer number (13334744714).

Almost surely, 2^40004234139 is an apocalyptic number.

40004234139 is a deficient number, since it is larger than the sum of its proper divisors (13334744717).

40004234139 is a wasteful number, since it uses less digits than its factorization.

40004234139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13334744716.

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 40004234139 in words is "forty billion, four million, two hundred thirty-four thousand, one hundred thirty-nine".