40425033 has 16 divisors (see below), whose sum is σ = 58924800. Its totient is φ = 24448080.

The previous prime is 40425017. The next prime is 40425107. The reversal of 40425033 is 33052404.

It is a happy number.

It is not a de Polignac number, because 40425033 - 2⁴ = 40425017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40425013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19438 + ... + 21416.

It is an arithmetic number, because the mean of its divisors is an integer number (3682800).

Almost surely, 2^40425033 is an apocalyptic number.

It is an amenable number.

40425033 is a deficient number, since it is larger than the sum of its proper divisors (18499767).

40425033 is a wasteful number, since it uses less digits than its factorization.

40425033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 40425033 is about 6358.0683387331. The cubic root of 40425033 is about 343.2022510461.

Adding to 40425033 its reverse (33052404), we get a palindrome (73477437).

The spelling of 40425033 in words is "forty million, four hundred twenty-five thousand, thirty-three".