40320402303 has 16 divisors (see below), whose sum is σ = 56815516800. Its totient is φ = 25364052000.

The previous prime is 40320402301. The next prime is 40320402349. The reversal of 40320402303 is 30320402304.

40320402303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40320402303 - 2¹ = 40320402301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40320402303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40320402301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1394808 + ... + 1423421.

It is an arithmetic number, because the mean of its divisors is an integer number (3550969800).

Almost surely, 2^40320402303 is an apocalyptic number.

40320402303 is a deficient number, since it is larger than the sum of its proper divisors (16495114497).

40320402303 is a wasteful number, since it uses less digits than its factorization.

40320402303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818502.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 40320402303 its reverse (30320402304), we get a palindrome (70640804607).

Subtracting from 40320402303 its reverse (30320402304), we obtain a palindrome (9999999999).

The spelling of 40320402303 in words is "forty billion, three hundred twenty million, four hundred two thousand, three hundred three".