40118252 has 24 divisors (see below), whose sum is σ = 72923760. Its totient is φ = 19288640.

The previous prime is 40118251. The next prime is 40118257. The reversal of 40118252 is 25281104.

40118252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40118251) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 36227 + ... + 37317.

It is an arithmetic number, because the mean of its divisors is an integer number (3038490).

Almost surely, 2^40118252 is an apocalyptic number.

It is an amenable number.

40118252 is a deficient number, since it is larger than the sum of its proper divisors (32805508).

40118252 is a wasteful number, since it uses less digits than its factorization.

40118252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441 (or 1439 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 40118252 is about 6333.8970626306. The cubic root of 40118252 is about 342.3318712348.

Adding to 40118252 its reverse (25281104), we get a palindrome (65399356).

The spelling of 40118252 in words is "forty million, one hundred eighteen thousand, two hundred fifty-two".