40250233 has 4 divisors (see below), whose sum is σ = 41231988. Its totient is φ = 39268480.

The previous prime is 40250209. The next prime is 40250239. The reversal of 40250233 is 33205204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 660969 + 39589264 = 813^2 + 6292^2 .

It is a cyclic number.

It is not a de Polignac number, because 40250233 - 2⁹ = 40249721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40250233.

It is not an unprimeable number, because it can be changed into a prime (40250239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490816 + ... + 490897.

It is an arithmetic number, because the mean of its divisors is an integer number (10307997).

Almost surely, 2^40250233 is an apocalyptic number.

It is an amenable number.

40250233 is a deficient number, since it is larger than the sum of its proper divisors (981755).

40250233 is an equidigital number, since it uses as much as digits as its factorization.

40250233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981754.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 40250233 is about 6344.3071331707. The cubic root of 40250233 is about 342.7068613785.

Adding to 40250233 its reverse (33205204), we get a palindrome (73455437).

The spelling of 40250233 in words is "forty million, two hundred fifty thousand, two hundred thirty-three".