40242502 has 16 divisors (see below), whose sum is σ = 66694752. Its totient is φ = 18113920.

The previous prime is 40242497. The next prime is 40242509. The reversal of 40242502 is 20524204.

It is a self number, because there is not a number n which added to its sum of digits gives 40242502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40242509) 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, 24949 + ... + 26512.

It is an arithmetic number, because the mean of its divisors is an integer number (4168422).

Almost surely, 2^40242502 is an apocalyptic number.

40242502 is a deficient number, since it is larger than the sum of its proper divisors (26452250).

40242502 is a wasteful number, since it uses less digits than its factorization.

40242502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51503.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 40242502 is about 6343.6978175194. The cubic root of 40242502 is about 342.6849183470.

Adding to 40242502 its reverse (20524204), we get a palindrome (60766706).

The spelling of 40242502 in words is "forty million, two hundred forty-two thousand, five hundred two".