40635190 has 16 divisors (see below), whose sum is σ = 73518192. Its totient is φ = 16170784.

The previous prime is 40635187. The next prime is 40635191. The reversal of 40635190 is 9153604.

It is a super-2 number, since 2×40635190² = 3302437332672200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40635191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8344 + ... + 12283.

It is an arithmetic number, because the mean of its divisors is an integer number (4594887).

Almost surely, 2^40635190 is an apocalyptic number.

40635190 is a deficient number, since it is larger than the sum of its proper divisors (32883002).

40635190 is a wasteful number, since it uses less digits than its factorization.

40635190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20831.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 40635190 is about 6374.5737112375. The cubic root of 40635190 is about 343.7959568308.

Adding to 40635190 its reverse (9153604), we get a palindrome (49788794).

The spelling of 40635190 in words is "forty million, six hundred thirty-five thousand, one hundred ninety".