40840122 has 8 divisors (see below), whose sum is σ = 81680256. Its totient is φ = 13613372.

The previous prime is 40840117. The next prime is 40840159. The reversal of 40840122 is 22104804.

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

40840122 is an admirable 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, 3403338 + ... + 3403349.

It is an arithmetic number, because the mean of its divisors is an integer number (10210032).

Almost surely, 2^40840122 is an apocalyptic number.

40840122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40840122 is a wasteful number, since it uses less digits than its factorization.

40840122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6806692.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 40840122 is about 6390.6276687036. The cubic root of 40840122 is about 344.3729336187.

Adding to 40840122 its reverse (22104804), we get a palindrome (62944926).

The spelling of 40840122 in words is "forty million, eight hundred forty thousand, one hundred twenty-two".