40004234135 has 4 divisors (see below), whose sum is σ = 48005080968. Its totient is φ = 32003387304.

The previous prime is 40004234119. The next prime is 40004234143. The reversal of 40004234135 is 53143240004.

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 40004234135 - 2⁴ = 40004234119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4000423409 + ... + 4000423418.

It is an arithmetic number, because the mean of its divisors is an integer number (12001270242).

Almost surely, 2^40004234135 is an apocalyptic number.

40004234135 is a deficient number, since it is larger than the sum of its proper divisors (8000846833).

40004234135 is an equidigital number, since it uses as much as digits as its factorization.

40004234135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8000846832.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 40004234135 its reverse (53143240004), we get a palindrome (93147474139).

The spelling of 40004234135 in words is "forty billion, four million, two hundred thirty-four thousand, one hundred thirty-five".