40204122 has 16 divisors (see below), whose sum is σ = 91895232. Its totient is φ = 11486880.

The previous prime is 40204103. The next prime is 40204123. The reversal of 40204122 is 22140204.

It is not an unprimeable number, because it can be changed into a prime (40204123) 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, 478579 + ... + 478662.

It is an arithmetic number, because the mean of its divisors is an integer number (5743452).

Almost surely, 2^40204122 is an apocalyptic number.

40204122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40204122 is an abundant number, since it is smaller than the sum of its proper divisors (51691110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40204122 is a wasteful number, since it uses less digits than its factorization.

40204122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957253.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 40204122 is about 6340.6720464001. The cubic root of 40204122 is about 342.5759420996.

Adding to 40204122 its reverse (22140204), we get a palindrome (62344326).

The spelling of 40204122 in words is "forty million, two hundred four thousand, one hundred twenty-two".