40134440303 has 4 divisors (see below), whose sum is σ = 40427392560. Its totient is φ = 39841488048.

The previous prime is 40134440273. The next prime is 40134440317. The reversal of 40134440303 is 30304443104.

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 40134440303 - 2¹² = 40134436207 is a prime.

It is a super-2 number, since 2×40134440303² (a number of 22 digits) 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 (40134440363) 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, 146475923 + ... + 146476196.

It is an arithmetic number, because the mean of its divisors is an integer number (10106848140).

Almost surely, 2^40134440303 is an apocalyptic number.

40134440303 is a deficient number, since it is larger than the sum of its proper divisors (292952257).

40134440303 is a wasteful number, since it uses less digits than its factorization.

40134440303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292952256.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 40134440303 its reverse (30304443104), we get a palindrome (70438883407).

The spelling of 40134440303 in words is "forty billion, one hundred thirty-four million, four hundred forty thousand, three hundred three".