40690196 has 6 divisors (see below), whose sum is σ = 71207850. Its totient is φ = 20345096.

The previous prime is 40690193. The next prime is 40690201. The reversal of 40690196 is 69109604.

It can be written as a sum of positive squares in only one way, i.e., 26522500 + 14167696 = 5150^2 + 3764^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40690193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5086271 + ... + 5086278.

It is an arithmetic number, because the mean of its divisors is an integer number (11867975).

Almost surely, 2^40690196 is an apocalyptic number.

It is an amenable number.

40690196 is a deficient number, since it is larger than the sum of its proper divisors (30517654).

40690196 is a wasteful number, since it uses less digits than its factorization.

40690196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10172553 (or 10172551 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 40690196 is about 6378.8867367277. The cubic root of 40690196 is about 343.9510138467.

The spelling of 40690196 in words is "forty million, six hundred ninety thousand, one hundred ninety-six".