40163252 has 12 divisors (see below), whose sum is σ = 70330596. Its totient is φ = 20068800.

The previous prime is 40163243. The next prime is 40163261. The reversal of 40163252 is 25236104.

It is an interprime number because it is at equal distance from previous prime (40163243) and next prime (40163261).

It can be written as a sum of positive squares in 2 ways, for example, as 30958096 + 9205156 = 5564^2 + 3034^2 .

It is a super-2 number, since 2×40163252² = 3226173622431008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9002 + ... + 12702.

It is an arithmetic number, because the mean of its divisors is an integer number (5860883).

Almost surely, 2^40163252 is an apocalyptic number.

It is an amenable number.

40163252 is a deficient number, since it is larger than the sum of its proper divisors (30167344).

40163252 is a wasteful number, since it uses less digits than its factorization.

40163252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6418 (or 6416 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 40163252 is about 6337.4483824328. The cubic root of 40163252 is about 342.4598194646.

Adding to 40163252 its reverse (25236104), we get a palindrome (65399356).

The spelling of 40163252 in words is "forty million, one hundred sixty-three thousand, two hundred fifty-two".