40004333121 has 8 divisors (see below), whose sum is σ = 53938427040. Its totient is φ = 26369897312.

The previous prime is 40004333107. The next prime is 40004333137. The reversal of 40004333121 is 12133340004.

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

It is a cyclic number.

It is not a de Polignac number, because 40004333121 - 2³³ = 31414398529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40004333101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74914215 + ... + 74914748.

It is an arithmetic number, because the mean of its divisors is an integer number (6742303380).

Almost surely, 2^40004333121 is an apocalyptic number.

It is an amenable number.

40004333121 is a deficient number, since it is larger than the sum of its proper divisors (13934093919).

40004333121 is a wasteful number, since it uses less digits than its factorization.

40004333121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149829055.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 40004333121 its reverse (12133340004), we get a palindrome (52137673125).

The spelling of 40004333121 in words is "forty billion, four million, three hundred thirty-three thousand, one hundred twenty-one".