40635622 has 8 divisors (see below), whose sum is σ = 61115400. Its totient is φ = 20263824.

The previous prime is 40635619. The next prime is 40635629. The reversal of 40635622 is 22653604.

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 not an unprimeable number, because it can be changed into a prime (40635629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26047 + ... + 27562.

It is an arithmetic number, because the mean of its divisors is an integer number (7639425).

Almost surely, 2^40635622 is an apocalyptic number.

40635622 is a deficient number, since it is larger than the sum of its proper divisors (20479778).

40635622 is a wasteful number, since it uses less digits than its factorization.

40635622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53990.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 40635622 is about 6374.6075957662. The cubic root of 40635622 is about 343.7971751454.

The spelling of 40635622 in words is "forty million, six hundred thirty-five thousand, six hundred twenty-two".