40100252 has 12 divisors (see below), whose sum is σ = 71807736. Its totient is φ = 19583760.

The previous prime is 40100239. The next prime is 40100257. The reversal of 40100252 is 25200104.

40100252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40100257) 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 3 ways as a sum of consecutive naturals, for example, 116399 + ... + 116742.

It is an arithmetic number, because the mean of its divisors is an integer number (5983978).

Almost surely, 2^40100252 is an apocalyptic number.

It is an amenable number.

40100252 is a deficient number, since it is larger than the sum of its proper divisors (31707484).

40100252 is a wasteful number, since it uses less digits than its factorization.

40100252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233188 (or 233186 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 40100252 is about 6332.4759770567. The cubic root of 40100252 is about 342.2806651530.

Adding to 40100252 its reverse (25200104), we get a palindrome (65300356).

The spelling of 40100252 in words is "forty million, one hundred thousand, two hundred fifty-two".