40004252122 has 16 divisors (see below), whose sum is σ = 60464812032. Its totient is φ = 19849582800.

The previous prime is 40004252087. The next prime is 40004252161. The reversal of 40004252122 is 22125240004.

It is a junction number, because it is equal to n+sod(n) for n = 40004252093 and 40004252102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234663 + ... + 367525.

It is an arithmetic number, because the mean of its divisors is an integer number (3779050752).

Almost surely, 2^40004252122 is an apocalyptic number.

40004252122 is a deficient number, since it is larger than the sum of its proper divisors (20460559910).

40004252122 is a wasteful number, since it uses less digits than its factorization.

40004252122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134013.

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 40004252122 its reverse (22125240004), we get a palindrome (62129492126).

The spelling of 40004252122 in words is "forty billion, four million, two hundred fifty-two thousand, one hundred twenty-two".