40022742 has 8 divisors (see below), whose sum is σ = 80045496. Its totient is φ = 13340912.

The previous prime is 40022711. The next prime is 40022753. The reversal of 40022742 is 24722004.

40022742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

40022742 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3335223 + ... + 3335234.

It is an arithmetic number, because the mean of its divisors is an integer number (10005687).

Almost surely, 2^40022742 is an apocalyptic number.

40022742 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.

40022742 is a wasteful number, since it uses less digits than its factorization.

40022742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6670462.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 40022742 is about 6326.3529778222. The cubic root of 40022742 is about 342.0599908442.

Adding to 40022742 its reverse (24722004), we get a palindrome (64744746).

The spelling of 40022742 in words is "forty million, twenty-two thousand, seven hundred forty-two".