2409240042 has 48 divisors (see below), whose sum is σ = 5700633120. Its totient is φ = 729295200.

The previous prime is 2409240019. The next prime is 2409240049. The reversal of 2409240042 is 2400429042.

It is a junction number, because it is equal to n+sod(n) for n = 2409239988 and 2409240015.

It is not an unprimeable number, because it can be changed into a prime (2409240049) 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 23 ways as a sum of consecutive naturals, for example, 195792 + ... + 207732.

It is an arithmetic number, because the mean of its divisors is an integer number (118763190).

Almost surely, 2^2409240042 is an apocalyptic number.

2409240042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2409240042 is an abundant number, since it is smaller than the sum of its proper divisors (3291393078).

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

2409240042 is a wasteful number, since it uses less digits than its factorization.

2409240042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12979 (or 12976 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2409240042 is about 49084.0100440052. The cubic root of 2409240042 is about 1340.5819188595.

Adding to 2409240042 its reverse (2400429042), we get a palindrome (4809669084).

The spelling of 2409240042 in words is "two billion, four hundred nine million, two hundred forty thousand, forty-two".