40234034121 has 8 divisors (see below), whose sum is σ = 53869837440. Its totient is φ = 26710460112.

The previous prime is 40234034053. The next prime is 40234034131. The reversal of 40234034121 is 12143043204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-40234034121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40234034091 and 40234034100.

It is not an unprimeable number, because it can be changed into a prime (40234034131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28056490 + ... + 28057923.

It is an arithmetic number, because the mean of its divisors is an integer number (6733729680).

Almost surely, 2^40234034121 is an apocalyptic number.

It is an amenable number.

40234034121 is a deficient number, since it is larger than the sum of its proper divisors (13635803319).

40234034121 is a wasteful number, since it uses less digits than its factorization.

40234034121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56114655.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40234034121 its reverse (12143043204), we get a palindrome (52377077325).

The spelling of 40234034121 in words is "forty billion, two hundred thirty-four million, thirty-four thousand, one hundred twenty-one".