340545045503 has 16 divisors (see below), whose sum is σ = 375888285696. Its totient is φ = 306532689120.

The previous prime is 340545045473. The next prime is 340545045523. The reversal of 340545045503 is 305540545043.

It is a cyclic number.

It is not a de Polignac number, because 340545045503 - 2²⁰ = 340543996927 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340545045523) 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, 162503 + ... + 841128.

It is an arithmetic number, because the mean of its divisors is an integer number (23493017856).

Almost surely, 2^340545045503 is an apocalyptic number.

340545045503 is a deficient number, since it is larger than the sum of its proper divisors (35343240193).

340545045503 is a wasteful number, since it uses less digits than its factorization.

340545045503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004294.

The product of its (nonzero) digits is 360000, while the sum is 38.

The spelling of 340545045503 in words is "three hundred forty billion, five hundred forty-five million, forty-five thousand, five hundred three".