40353303 has 4 divisors (see below), whose sum is σ = 53804408. Its totient is φ = 26902200.

The previous prime is 40353301. The next prime is 40353311. The reversal of 40353303 is 30335304.

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

It is not a de Polignac number, because 40353303 - 2¹ = 40353301 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 40353303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40353301) 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, 6725548 + ... + 6725553.

It is an arithmetic number, because the mean of its divisors is an integer number (13451102).

Almost surely, 2^40353303 is an apocalyptic number.

40353303 is a deficient number, since it is larger than the sum of its proper divisors (13451105).

40353303 is a wasteful number, since it uses less digits than its factorization.

40353303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13451104.

The product of its (nonzero) digits is 1620, while the sum is 21.

The square root of 40353303 is about 6352.4249700410. The cubic root of 40353303 is about 342.9991386787. Note that the first 3 decimals are identical.

Adding to 40353303 its reverse (30335304), we get a palindrome (70688607).

The spelling of 40353303 in words is "forty million, three hundred fifty-three thousand, three hundred three".