40566252 has 24 divisors (see below), whose sum is σ = 94878000. Its totient is φ = 13490176.

The previous prime is 40566247. The next prime is 40566257. The reversal of 40566252 is 25266504.

It is an interprime number because it is at equal distance from previous prime (40566247) and next prime (40566257).

It is not an unprimeable number, because it can be changed into a prime (40566257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1624 + ... + 9152.

It is an arithmetic number, because the mean of its divisors is an integer number (3953250).

Almost surely, 2^40566252 is an apocalyptic number.

It is an amenable number.

40566252 is an abundant number, since it is smaller than the sum of its proper divisors (54311748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40566252 is a wasteful number, since it uses less digits than its factorization.

40566252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7985 (or 7983 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 40566252 is about 6369.1641523829. The cubic root of 40566252 is about 343.6014290411.

The spelling of 40566252 in words is "forty million, five hundred sixty-six thousand, two hundred fifty-two".