2042023240 has 16 divisors (see below), whose sum is σ = 4594552380. Its totient is φ = 816809280.

The previous prime is 2042023231. The next prime is 2042023267. The reversal of 2042023240 is 423202402.

It can be written as a sum of positive squares in 2 ways, for example, as 1982208484 + 59814756 = 44522^2 + 7734^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25525251 + ... + 25525330.

Almost surely, 2^2042023240 is an apocalyptic number.

2042023240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042023240 is an abundant number, since it is smaller than the sum of its proper divisors (2552529140).

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

2042023240 is a wasteful number, since it uses less digits than its factorization.

2042023240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51050592 (or 51050588 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2042023240 is about 45188.7512551520. The cubic root of 2042023240 is about 1268.6842843651.

Adding to 2042023240 its reverse (423202402), we get a palindrome (2465225642).

It can be divided in two parts, 20420 and 23240, that added together give a triangular number (43660 = T₂₉₅).

The spelling of 2042023240 in words is "two billion, forty-two million, twenty-three thousand, two hundred forty".