40254233 has 4 divisors (see below), whose sum is σ = 41642340. Its totient is φ = 38866128.

The previous prime is 40254229. The next prime is 40254259. The reversal of 40254233 is 33245204.

40254233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 32171584 + 8082649 = 5672^2 + 2843^2 .

It is a cyclic number.

It is not a de Polignac number, because 40254233 - 2² = 40254229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40254199 and 40254208.

It is not an unprimeable number, because it can be changed into a prime (40254223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694010 + ... + 694067.

It is an arithmetic number, because the mean of its divisors is an integer number (10410585).

Almost surely, 2^40254233 is an apocalyptic number.

It is an amenable number.

40254233 is a deficient number, since it is larger than the sum of its proper divisors (1388107).

40254233 is a wasteful number, since it uses less digits than its factorization.

40254233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388106.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 40254233 is about 6344.6223685890. The cubic root of 40254233 is about 342.7182135450.

Adding to 40254233 its reverse (33245204), we get a palindrome (73499437).

The spelling of 40254233 in words is "forty million, two hundred fifty-four thousand, two hundred thirty-three".