40525252 has 12 divisors (see below), whose sum is σ = 74651920. Its totient is φ = 19196136.

The previous prime is 40525213. The next prime is 40525273. The reversal of 40525252 is 25252504.

It is a happy number.

40525252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 266538 + ... + 266689.

Almost surely, 2^40525252 is an apocalyptic number.

It is an amenable number.

40525252 is a deficient number, since it is larger than the sum of its proper divisors (34126668).

40525252 is a wasteful number, since it uses less digits than its factorization.

40525252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533250 (or 533248 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 40525252 is about 6365.9447060118. The cubic root of 40525252 is about 343.4856315768.

Adding to 40525252 its reverse (25252504), we get a palindrome (65777756).

The spelling of 40525252 in words is "forty million, five hundred twenty-five thousand, two hundred fifty-two".