40250433 has 4 divisors (see below), whose sum is σ = 53667248. Its totient is φ = 26833620.

The previous prime is 40250429. The next prime is 40250459. The reversal of 40250433 is 33405204.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40250433 - 2² = 40250429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40250533) 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, 6708403 + ... + 6708408.

It is an arithmetic number, because the mean of its divisors is an integer number (13416812).

Almost surely, 2^40250433 is an apocalyptic number.

It is an amenable number.

40250433 is a deficient number, since it is larger than the sum of its proper divisors (13416815).

40250433 is a wasteful number, since it uses less digits than its factorization.

40250433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13416814.

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

The square root of 40250433 is about 6344.3228953136. The cubic root of 40250433 is about 342.7074290047.

Adding to 40250433 its reverse (33405204), we get a palindrome (73655637).

The spelling of 40250433 in words is "forty million, two hundred fifty thousand, four hundred thirty-three".