40158622 has 8 divisors (see below), whose sum is σ = 68843376. Its totient is φ = 17210832.

The previous prime is 40158617. The next prime is 40158631. The reversal of 40158622 is 22685104.

40158622 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.

It is a super-2 number, since 2×40158622² = 3225429841877768, which contains 22 as substring.

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, 1434223 + ... + 1434250.

It is an arithmetic number, because the mean of its divisors is an integer number (8605422).

Almost surely, 2^40158622 is an apocalyptic number.

40158622 is a deficient number, since it is larger than the sum of its proper divisors (28684754).

40158622 is a wasteful number, since it uses less digits than its factorization.

40158622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868482.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 40158622 is about 6337.0830829333. The cubic root of 40158622 is about 342.4466594255.

The spelling of 40158622 in words is "forty million, one hundred fifty-eight thousand, six hundred twenty-two".