40034042 has 8 divisors (see below), whose sum is σ = 60181056. Its totient is φ = 19973692.

The previous prime is 40034039. The next prime is 40034063. The reversal of 40034042 is 24043004.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40034042.

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, 20498 + ... + 22365.

It is an arithmetic number, because the mean of its divisors is an integer number (7522632).

Almost surely, 2^40034042 is an apocalyptic number.

40034042 is a deficient number, since it is larger than the sum of its proper divisors (20147014).

40034042 is a wasteful number, since it uses less digits than its factorization.

40034042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43332.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 40034042 is about 6327.2460043845. The cubic root of 40034042 is about 342.0921801612.

Adding to 40034042 its reverse (24043004), we get a palindrome (64077046).

The spelling of 40034042 in words is "forty million, thirty-four thousand, forty-two", and thus it is an eban number.