2042424040 has 16 divisors (see below), whose sum is σ = 4595454180. Its totient is φ = 816969600.

The previous prime is 2042424031. The next prime is 2042424079. The reversal of 2042424040 is 404242402.

It can be written as a sum of positive squares in 2 ways, for example, as 1940050116 + 102373924 = 44046^2 + 10118^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25530261 + ... + 25530340.

Almost surely, 2^2042424040 is an apocalyptic number.

2042424040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042424040 is an abundant number, since it is smaller than the sum of its proper divisors (2553030140).

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

2042424040 is a wasteful number, since it uses less digits than its factorization.

2042424040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51060612 (or 51060608 counting only the distinct ones).

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

The square root of 2042424040 is about 45193.1857695383. The cubic root of 2042424040 is about 1268.7672829956.

Adding to 2042424040 its reverse (404242402), we get a palindrome (2446666442).

The spelling of 2042424040 in words is "two billion, forty-two million, four hundred twenty-four thousand, forty".