40450311403 has 4 divisors (see below), whose sum is σ = 40768817920. Its totient is φ = 40131804888.

The previous prime is 40450311337. The next prime is 40450311427. The reversal of 40450311403 is 30411305404.

40450311403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40450311403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40450311493) 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, 159253068 + ... + 159253321.

It is an arithmetic number, because the mean of its divisors is an integer number (10192204480).

Almost surely, 2^40450311403 is an apocalyptic number.

40450311403 is a deficient number, since it is larger than the sum of its proper divisors (318506517).

40450311403 is a wasteful number, since it uses less digits than its factorization.

40450311403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318506516.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 40450311403 its reverse (30411305404), we get a palindrome (70861616807).

The spelling of 40450311403 in words is "forty billion, four hundred fifty million, three hundred eleven thousand, four hundred three".