40690130 has 24 divisors (see below), whose sum is σ = 79312932. Its totient is φ = 15023424.

The previous prime is 40690123. The next prime is 40690147. The reversal of 40690130 is 3109604.

40690130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 12737761 + 27952369 = 3569^2 + 5287^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40690096 and 40690105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10349 + ... + 13728.

Almost surely, 2^40690130 is an apocalyptic number.

40690130 is a deficient number, since it is larger than the sum of its proper divisors (38622802).

40690130 is a wasteful number, since it uses less digits than its factorization.

40690130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24110 (or 24097 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 40690130 is about 6378.8815634091. The cubic root of 40690130 is about 343.9508278823.

Adding to 40690130 its reverse (3109604), we get a palindrome (43799734).

The spelling of 40690130 in words is "forty million, six hundred ninety thousand, one hundred thirty".