40133252 has 12 divisors (see below), whose sum is σ = 73286976. Its totient is φ = 19194120.

The previous prime is 40133231. The next prime is 40133267. The reversal of 40133252 is 25233104.

It is a happy number.

It is a super-2 number, since 2×40133252² = 3221355832191008, which contains 22 as substring.

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, 218024 + ... + 218207.

It is an arithmetic number, because the mean of its divisors is an integer number (6107248).

Almost surely, 2^40133252 is an apocalyptic number.

It is an amenable number.

40133252 is a deficient number, since it is larger than the sum of its proper divisors (33153724).

40133252 is a wasteful number, since it uses less digits than its factorization.

40133252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436258 (or 436256 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 40133252 is about 6335.0810570978. The cubic root of 40133252 is about 342.3745312708.

Adding to 40133252 its reverse (25233104), we get a palindrome (65366356).

The spelling of 40133252 in words is "forty million, one hundred thirty-three thousand, two hundred fifty-two".