40425133 has 8 divisors (see below), whose sum is σ = 48917952. Its totient is φ = 32611776.

The previous prime is 40425113. The next prime is 40425163. The reversal of 40425133 is 33152404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40425133 - 2¹⁷ = 40294061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40425113) 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, 169735 + ... + 169972.

It is an arithmetic number, because the mean of its divisors is an integer number (6114744).

Almost surely, 2^40425133 is an apocalyptic number.

It is an amenable number.

40425133 is a deficient number, since it is larger than the sum of its proper divisors (8492819).

40425133 is a wasteful number, since it uses less digits than its factorization.

40425133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339731.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 40425133 is about 6358.0762027519. The cubic root of 40425133 is about 343.2025340407.

Adding to 40425133 its reverse (33152404), we get a palindrome (73577537).

The spelling of 40425133 in words is "forty million, four hundred twenty-five thousand, one hundred thirty-three".