40133228 has 12 divisors (see below), whose sum is σ = 70298592. Its totient is φ = 20047920.

The previous prime is 40133227. The next prime is 40133231. The reversal of 40133228 is 82233104.

It is a super-2 number, since 2×40133228² = 3221351979399968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40133227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893 + ... + 9003.

It is an arithmetic number, because the mean of its divisors is an integer number (5858216).

Almost surely, 2^40133228 is an apocalyptic number.

It is an amenable number.

40133228 is a deficient number, since it is larger than the sum of its proper divisors (30165364).

40133228 is a wasteful number, since it uses less digits than its factorization.

40133228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9352 (or 9350 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 40133228 is about 6335.0791628834. The cubic root of 40133228 is about 342.3744630232.

The spelling of 40133228 in words is "forty million, one hundred thirty-three thousand, two hundred twenty-eight".