2040440402 has 128 divisors (see below), whose sum is σ = 4389396480. Its totient is φ = 684610560.

The previous prime is 2040440401. The next prime is 2040440407.

2040440402 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2040440402² = 8326794068227843208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2040440401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5683499 + ... + 5683857.

It is an arithmetic number, because the mean of its divisors is an integer number (34292160).

Almost surely, 2^2040440402 is an apocalyptic number.

2040440402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2040440402 is an abundant number, since it is smaller than the sum of its proper divisors (2348956078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2040440402 is a wasteful number, since it uses less digits than its factorization.

2040440402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2040440402 is about 45171.2342315328. The cubic root of 2040440402 is about 1268.3564002789.

It can be divided in two parts, 20404 and 40402, that added together give a palindrome (60806).

The spelling of 2040440402 in words is "two billion, forty million, four hundred forty thousand, four hundred two".