40133169 has 6 divisors (see below), whose sum is σ = 57970146. Its totient is φ = 26755440.

The previous prime is 40133167. The next prime is 40133227. The reversal of 40133169 is 96133104.

It can be written as a sum of positive squares in only one way, i.e., 29322225 + 10810944 = 5415^2 + 3288^2 .

It is not a de Polignac number, because 40133169 - 2¹ = 40133167 is a prime.

It is a super-2 number, since 2×40133169² = 3221342507965122, which contains 22 as substring.

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 2229612 + ... + 2229629.

It is an arithmetic number, because the mean of its divisors is an integer number (9661691).

Almost surely, 2^40133169 is an apocalyptic number.

It is an amenable number.

40133169 is a deficient number, since it is larger than the sum of its proper divisors (17836977).

40133169 is a wasteful number, since it uses less digits than its factorization.

40133169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4459247 (or 4459244 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 40133169 is about 6335.0745062706. The cubic root of 40133169 is about 342.3742952479.

The spelling of 40133169 in words is "forty million, one hundred thirty-three thousand, one hundred sixty-nine".