40240303 has 8 divisors (see below), whose sum is σ = 41955408. Its totient is φ = 38560704.

The previous prime is 40240261. The next prime is 40240339. The reversal of 40240303 is 30304204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40240303 - 2¹⁷ = 40109231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40240373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6550 + ... + 11107.

It is an arithmetic number, because the mean of its divisors is an integer number (5244426).

Almost surely, 2^40240303 is an apocalyptic number.

40240303 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40240303 is a deficient number, since it is larger than the sum of its proper divisors (1715105).

40240303 is a wasteful number, since it uses less digits than its factorization.

40240303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17753.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 40240303 is about 6343.5244935288. The cubic root of 40240303 is about 342.6786763738.

Adding to 40240303 its reverse (30304204), we get a palindrome (70544507).

The spelling of 40240303 in words is "forty million, two hundred forty thousand, three hundred three".