40220052 has 12 divisors (see below), whose sum is σ = 93846816. Its totient is φ = 13406680.

The previous prime is 40220041. The next prime is 40220053. The reversal of 40220052 is 25002204.

40220052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40220053) 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, 1675824 + ... + 1675847.

It is an arithmetic number, because the mean of its divisors is an integer number (7820568).

Almost surely, 2^40220052 is an apocalyptic number.

It is an amenable number.

40220052 is an abundant number, since it is smaller than the sum of its proper divisors (53626764).

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

40220052 is a wasteful number, since it uses less digits than its factorization.

40220052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351678 (or 3351676 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 40220052 is about 6341.9280979841. The cubic root of 40220052 is about 342.6211821884.

Adding to 40220052 its reverse (25002204), we get a palindrome (65222256).

The spelling of 40220052 in words is "forty million, two hundred twenty thousand, fifty-two".