40207630 has 16 divisors (see below), whose sum is σ = 74869920. Its totient is φ = 15528352.

The previous prime is 40207627. The next prime is 40207631. The reversal of 40207630 is 3670204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40207631) 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 in 7 ways as a sum of consecutive naturals, for example, 69034 + ... + 69613.

It is an arithmetic number, because the mean of its divisors is an integer number (4679370).

Almost surely, 2^40207630 is an apocalyptic number.

40207630 is a deficient number, since it is larger than the sum of its proper divisors (34662290).

40207630 is a wasteful number, since it uses less digits than its factorization.

40207630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138683.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 40207630 is about 6340.9486671948. The cubic root of 40207630 is about 342.5859056008.

Adding to 40207630 its reverse (3670204), we get a palindrome (43877834).

The spelling of 40207630 in words is "forty million, two hundred seven thousand, six hundred thirty".