40016630 has 16 divisors (see below), whose sum is σ = 72449424. Its totient is φ = 15913440.

The previous prime is 40016611. The next prime is 40016651. The reversal of 40016630 is 3661004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9836 + ... + 13295.

It is an arithmetic number, because the mean of its divisors is an integer number (4528089).

Almost surely, 2^40016630 is an apocalyptic number.

40016630 is a deficient number, since it is larger than the sum of its proper divisors (32432794).

40016630 is a wasteful number, since it uses less digits than its factorization.

40016630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23311.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 40016630 is about 6325.8699006540. The cubic root of 40016630 is about 342.0425776020.

Adding to 40016630 its reverse (3661004), we get a palindrome (43677634).

The spelling of 40016630 in words is "forty million, sixteen thousand, six hundred thirty".