1040402350203 has 16 divisors (see below), whose sum is σ = 1389336157440. Its totient is φ = 692535629216.

The previous prime is 1040402350187. The next prime is 1040402350217. The reversal of 1040402350203 is 3020532040401.

It is a cyclic number.

It is not a de Polignac number, because 1040402350203 - 2⁴ = 1040402350187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040402350703) 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, 7372876 + ... + 7512662.

It is an arithmetic number, because the mean of its divisors is an integer number (86833509840).

Almost surely, 2^{1040402350203} is an apocalyptic number.

1040402350203 is a deficient number, since it is larger than the sum of its proper divisors (348933807237).

1040402350203 is a wasteful number, since it uses less digits than its factorization.

1040402350203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143586.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 1040402350203 its reverse (3020532040401), we get a palindrome (4060934390604).

The spelling of 1040402350203 in words is "one trillion, forty billion, four hundred two million, three hundred fifty thousand, two hundred three".