2442042440 has 32 divisors (see below), whose sum is σ = 5684067000. Its totient is φ = 943133184.

The previous prime is 2442042437. The next prime is 2442042443. The reversal of 2442042440 is 442402442.

It is an interprime number because it is at equal distance from previous prime (2442042437) and next prime (2442042443).

It can be written as a sum of positive squares in 4 ways, for example, as 1525527364 + 916515076 = 39058^2 + 30274^2 .

It is a super-2 number, since 2×2442042440² = 11927142557522307200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2442042443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051445 + ... + 1053764.

Almost surely, 2^2442042440 is an apocalyptic number.

2442042440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2442042440 is an abundant number, since it is smaller than the sum of its proper divisors (3242024560).

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

2442042440 is a wasteful number, since it uses less digits than its factorization.

2442042440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105249 (or 2105245 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 2442042440 is about 49417.0258109490. The cubic root of 2442042440 is about 1346.6386315221.

Adding to 2442042440 its reverse (442402442), we get a palindrome (2884444882).

The spelling of 2442042440 in words is "two billion, four hundred forty-two million, forty-two thousand, four hundred forty".