40087303 has 4 divisors (see below), whose sum is σ = 40164768. Its totient is φ = 40009840.

The previous prime is 40087297. The next prime is 40087339. The reversal of 40087303 is 30378004.

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 40087303 - 2⁹ = 40086791 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 (40087363) 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, 37951 + ... + 38992.

It is an arithmetic number, because the mean of its divisors is an integer number (10041192).

Almost surely, 2^40087303 is an apocalyptic number.

40087303 is a deficient number, since it is larger than the sum of its proper divisors (77465).

40087303 is an equidigital number, since it uses as much as digits as its factorization.

40087303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77464.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 40087303 is about 6331.4534666220. The cubic root of 40087303 is about 342.2438185891.

It can be divided in two parts, 4008 and 7303, that added together give a palindrome (11311).

The spelling of 40087303 in words is "forty million, eighty-seven thousand, three hundred three".