40370303 has 4 divisors (see below), whose sum is σ = 40637808. Its totient is φ = 40102800.

The previous prime is 40370299. The next prime is 40370329. The reversal of 40370303 is 30307304.

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

It is a cyclic number.

It is not a de Polignac number, because 40370303 - 2² = 40370299 is a prime.

It is a super-2 number, since 2×40370303² = 3259522728623618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40370353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133526 + ... + 133827.

It is an arithmetic number, because the mean of its divisors is an integer number (10159452).

Almost surely, 2^40370303 is an apocalyptic number.

40370303 is a deficient number, since it is larger than the sum of its proper divisors (267505).

40370303 is a wasteful number, since it uses less digits than its factorization.

40370303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267504.

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 40370303 is about 6353.7629008329. The cubic root of 40370303 is about 343.0472980303.

Adding to 40370303 its reverse (30307304), we get a palindrome (70677607).

The spelling of 40370303 in words is "forty million, three hundred seventy thousand, three hundred three".