40250443 has 4 divisors (see below), whose sum is σ = 40641328. Its totient is φ = 39859560.

The previous prime is 40250429. The next prime is 40250459. The reversal of 40250443 is 34405204.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40250443 - 2⁵ = 40250411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40253443) 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, 195288 + ... + 195493.

It is an arithmetic number, because the mean of its divisors is an integer number (10160332).

Almost surely, 2^40250443 is an apocalyptic number.

40250443 is a deficient number, since it is larger than the sum of its proper divisors (390885).

40250443 is a wasteful number, since it uses less digits than its factorization.

40250443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390884.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 40250443 is about 6344.3236834197. The cubic root of 40250443 is about 342.7074573860.

Adding to 40250443 its reverse (34405204), we get a palindrome (74655647).

The spelling of 40250443 in words is "forty million, two hundred fifty thousand, four hundred forty-three".