2040423345 has 32 divisors (see below), whose sum is σ = 3668198400. Its totient is φ = 1075992192.

The previous prime is 2040423289. The next prime is 2040423377. The reversal of 2040423345 is 5433240402.

2040423345 is a `hidden beast` number, since 20 + 404 + 233 + 4 + 5 = 666.

It is not a de Polignac number, because 2040423345 - 2⁸ = 2040423089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72897 + ... + 96926.

It is an arithmetic number, because the mean of its divisors is an integer number (114631200).

Almost surely, 2^2040423345 is an apocalyptic number.

It is an amenable number.

2040423345 is a deficient number, since it is larger than the sum of its proper divisors (1627775055).

2040423345 is a wasteful number, since it uses less digits than its factorization.

2040423345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169926 (or 169920 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 2040423345 is about 45171.0454273531. The cubic root of 2040423345 is about 1268.3528660067.

Adding to 2040423345 its reverse (5433240402), we get a palindrome (7473663747).

The spelling of 2040423345 in words is "two billion, forty million, four hundred twenty-three thousand, three hundred forty-five".