40004234141 has 4 divisors (see below), whose sum is σ = 40007596800. Its totient is φ = 40000871484.

The previous prime is 40004234119. The next prime is 40004234143. The reversal of 40004234141 is 14143240004.

It is a happy number.

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 40004234141 - 2³⁰ = 38930492317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40004234143) 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, 1663421 + ... + 1687298.

It is an arithmetic number, because the mean of its divisors is an integer number (10001899200).

Almost surely, 2^40004234141 is an apocalyptic number.

It is an amenable number.

40004234141 is a deficient number, since it is larger than the sum of its proper divisors (3362659).

40004234141 is a wasteful number, since it uses less digits than its factorization.

40004234141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362658.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 40004234141 its reverse (14143240004), we get a palindrome (54147474145).

The spelling of 40004234141 in words is "forty billion, four million, two hundred thirty-four thousand, one hundred forty-one".