40630030 has 32 divisors (see below), whose sum is σ = 84136896. Its totient is φ = 13837824.

The previous prime is 40630019. The next prime is 40630039. The reversal of 40630030 is 3003604.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40629986 and 40630013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40630039) 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, 9142 + ... + 12838.

It is an arithmetic number, because the mean of its divisors is an integer number (2629278).

Almost surely, 2^40630030 is an apocalyptic number.

40630030 is an abundant number, since it is smaller than the sum of its proper divisors (43506866).

40630030 is a wasteful number, since it uses less digits than its factorization.

40630030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 40630030 is about 6374.1689654417. The cubic root of 40630030 is about 343.7814040731.

Adding to 40630030 its reverse (3003604), we get a palindrome (43633634).

The spelling of 40630030 in words is "forty million, six hundred thirty thousand, thirty".