1540041404203 has 16 divisors (see below), whose sum is σ = 1594584403200. Its totient is φ = 1485594990880.

The previous prime is 1540041404173. The next prime is 1540041404219. The reversal of 1540041404203 is 3024041400451.

It is a cyclic number.

It is not a de Polignac number, because 1540041404203 - 2²⁵ = 1540007849771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1540041404243) 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, 227174868 + ... + 227181646.

It is an arithmetic number, because the mean of its divisors is an integer number (99661525200).

Almost surely, 2^{1540041404203} is an apocalyptic number.

1540041404203 is a deficient number, since it is larger than the sum of its proper divisors (54542998997).

1540041404203 is a wasteful number, since it uses less digits than its factorization.

1540041404203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12722.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 1540041404203 its reverse (3024041400451), we get a palindrome (4564082804654).

The spelling of 1540041404203 in words is "one trillion, five hundred forty billion, forty-one million, four hundred four thousand, two hundred three".