40623622 has 8 divisors (see below), whose sum is σ = 65622816. Its totient is φ = 18749352.

The previous prime is 40623607. The next prime is 40623643. The reversal of 40623622 is 22632604.

It is a happy number.

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

It is a congruent number.

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, 781198 + ... + 781249.

It is an arithmetic number, because the mean of its divisors is an integer number (8202852).

Almost surely, 2^40623622 is an apocalyptic number.

40623622 is a deficient number, since it is larger than the sum of its proper divisors (24999194).

40623622 is a wasteful number, since it uses less digits than its factorization.

40623622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562462.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 40623622 is about 6373.6662918606. Note that the first 3 decimals coincide. The cubic root of 40623622 is about 343.7633298633.

The spelling of 40623622 in words is "forty million, six hundred twenty-three thousand, six hundred twenty-two".