2040240442 has 32 divisors (see below), whose sum is σ = 3177622224. Its totient is φ = 981811200.

The previous prime is 2040240403. The next prime is 2040240493. The reversal of 2040240442 is 2440420402.

It can be written as a sum of positive squares in 8 ways, for example, as 422672481 + 1617567961 = 20559^2 + 40219^2 .

It is a super-2 number, since 2×2040240442² = 8325162122344710728, which contains 22 as substring.

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, 2167692 + ... + 2168632.

Almost surely, 2^2040240442 is an apocalyptic number.

2040240442 is a deficient number, since it is larger than the sum of its proper divisors (1137381782).

2040240442 is a wasteful number, since it uses less digits than its factorization.

2040240442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 2040240442 is about 45169.0208217978. The cubic root of 2040240442 is about 1268.3149666043.

Adding to 2040240442 its reverse (2440420402), we get a palindrome (4480660844).

The spelling of 2040240442 in words is "two billion, forty million, two hundred forty thousand, four hundred forty-two".