40022042 has 16 divisors (see below), whose sum is σ = 60752160. Its totient is φ = 19773072.

The previous prime is 40022041. The next prime is 40022053. The reversal of 40022042 is 24022004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40022041) 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, 95309 + ... + 95727.

It is an arithmetic number, because the mean of its divisors is an integer number (3797010).

Almost surely, 2^40022042 is an apocalyptic number.

40022042 is a deficient number, since it is larger than the sum of its proper divisors (20730118).

40022042 is a wasteful number, since it uses less digits than its factorization.

40022042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 40022042 is about 6326.2976534463. The cubic root of 40022042 is about 342.0579966165.

Adding to 40022042 its reverse (24022004), we get a palindrome (64044046).

The spelling of 40022042 in words is "forty million, twenty-two thousand, forty-two".