40633252 has 36 divisors (see below), whose sum is σ = 80308060. Its totient is φ = 17962560.

The previous prime is 40633211. The next prime is 40633253. The reversal of 40633252 is 25233604.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17842176 + 22791076 = 4224^2 + 4774^2 .

It is a super-2 number, since 2×40633252² = 3302122336191008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40633253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16774 + ... + 19042.

Almost surely, 2^40633252 is an apocalyptic number.

It is an amenable number.

40633252 is a deficient number, since it is larger than the sum of its proper divisors (39674808).

40633252 is a wasteful number, since it uses less digits than its factorization.

40633252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332 (or 2319 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 40633252 is about 6374.4216992603. The cubic root of 40633252 is about 343.7904912302.

Adding to 40633252 its reverse (25233604), we get a palindrome (65866856).

The spelling of 40633252 in words is "forty million, six hundred thirty-three thousand, two hundred fifty-two".