40622785 has 16 divisors (see below), whose sum is σ = 55967616. Its totient is φ = 27727488.

The previous prime is 40622749. The next prime is 40622789. The reversal of 40622785 is 58722604.

It is a cyclic number.

It is not a de Polignac number, because 40622785 - 2²⁵ = 7068353 is a prime.

It is a super-2 number, since 2×40622785² = 3300421322312450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40622785.

It is not an unprimeable number, because it can be changed into a prime (40622789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5389 + ... + 10501.

It is an arithmetic number, because the mean of its divisors is an integer number (3497976).

Almost surely, 2^40622785 is an apocalyptic number.

It is an amenable number.

40622785 is a deficient number, since it is larger than the sum of its proper divisors (15344831).

40622785 is a wasteful number, since it uses less digits than its factorization.

40622785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 40622785 is about 6373.6006307267. The cubic root of 40622785 is about 343.7609689062.

The spelling of 40622785 in words is "forty million, six hundred twenty-two thousand, seven hundred eighty-five".