40345283 has 4 divisors (see below), whose sum is σ = 44013048. Its totient is φ = 36677520.

The previous prime is 40345273. The next prime is 40345297. The reversal of 40345283 is 38254304.

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

It is not a de Polignac number, because 40345283 - 2⁶ = 40345219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40345273) 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, 1833866 + ... + 1833887.

It is an arithmetic number, because the mean of its divisors is an integer number (11003262).

Almost surely, 2^40345283 is an apocalyptic number.

40345283 is a deficient number, since it is larger than the sum of its proper divisors (3667765).

40345283 is a wasteful number, since it uses less digits than its factorization.

40345283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667764.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 40345283 is about 6351.7936836771. The cubic root of 40345283 is about 342.9764141007.

Adding to 40345283 its reverse (38254304), we get a palindrome (78599587).

The spelling of 40345283 in words is "forty million, three hundred forty-five thousand, two hundred eighty-three".