40133313 has 40 divisors (see below), whose sum is σ = 67558656. Its totient is φ = 23522400.

The previous prime is 40133297. The next prime is 40133323. The reversal of 40133313 is 31333104.

It is not a de Polignac number, because 40133313 - 2⁴ = 40133297 is a prime.

It is a super-2 number, since 2×40133313² = 3221365624711938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40133323) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26895 + ... + 28347.

Almost surely, 2^40133313 is an apocalyptic number.

It is an amenable number.

40133313 is a deficient number, since it is larger than the sum of its proper divisors (27425343).

40133313 is a wasteful number, since it uses less digits than its factorization.

40133313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 40133313 is about 6335.0858715569. The cubic root of 40133313 is about 342.3747047332.

Adding to 40133313 its reverse (31333104), we get a palindrome (71466417).

The spelling of 40133313 in words is "forty million, one hundred thirty-three thousand, three hundred thirteen".