2040105245 has 16 divisors (see below), whose sum is σ = 2491585920. Its totient is φ = 1603155264.

The previous prime is 2040105239. The next prime is 2040105269. The reversal of 2040105245 is 5425010402.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2040105245 - 2¹⁰ = 2040104221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2040105245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587384 + ... + 590846.

It is an arithmetic number, because the mean of its divisors is an integer number (155724120).

Almost surely, 2^2040105245 is an apocalyptic number.

It is an amenable number.

2040105245 is a deficient number, since it is larger than the sum of its proper divisors (451480675).

2040105245 is a wasteful number, since it uses less digits than its factorization.

2040105245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2040105245 is about 45167.5242292513. The cubic root of 2040105245 is about 1268.2869509249.

Adding to 2040105245 its reverse (5425010402), we get a palindrome (7465115647).

The spelling of 2040105245 in words is "two billion, forty million, one hundred five thousand, two hundred forty-five".