40122442 has 8 divisors (see below), whose sum is σ = 62800416. Its totient is φ = 19188972.

The previous prime is 40122437. The next prime is 40122461. The reversal of 40122442 is 24422104.

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

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, 436068 + ... + 436159.

It is an arithmetic number, because the mean of its divisors is an integer number (7850052).

Almost surely, 2^40122442 is an apocalyptic number.

40122442 is a deficient number, since it is larger than the sum of its proper divisors (22677974).

40122442 is a wasteful number, since it uses less digits than its factorization.

40122442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872252.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 40122442 is about 6334.2278140275. The cubic root of 40122442 is about 342.3437886750.

Adding to 40122442 its reverse (24422104), we get a palindrome (64544546).

The spelling of 40122442 in words is "forty million, one hundred twenty-two thousand, four hundred forty-two".