40133168 has 40 divisors (see below), whose sum is σ = 82755120. Its totient is φ = 18800640.

The previous prime is 40133167. The next prime is 40133227. The reversal of 40133168 is 86133104.

It is a super-2 number, since 2×40133168² = 3221342347432448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40133167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28808 + ... + 30168.

It is an arithmetic number, because the mean of its divisors is an integer number (2068878).

Almost surely, 2^40133168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40133168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41377560).

40133168 is an abundant number, since it is smaller than the sum of its proper divisors (42621952).

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

40133168 is a wasteful number, since it uses less digits than its factorization.

40133168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 40133168 is about 6335.0744273450. The cubic root of 40133168 is about 342.3742924042.

The spelling of 40133168 in words is "forty million, one hundred thirty-three thousand, one hundred sixty-eight".