2421252442 has 16 divisors (see below), whose sum is σ = 4155604992. Its totient is φ = 1036458000.

The previous prime is 2421252419. The next prime is 2421252461. The reversal of 2421252442 is 2442521242.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2421252442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89434 + ... + 113317.

It is an arithmetic number, because the mean of its divisors is an integer number (259725312).

Almost surely, 2^2421252442 is an apocalyptic number.

2421252442 is a deficient number, since it is larger than the sum of its proper divisors (1734352550).

2421252442 is a wasteful number, since it uses less digits than its factorization.

2421252442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203613.

The product of its digits is 10240, while the sum is 28.

The square root of 2421252442 is about 49206.2236104337. The cubic root of 2421252442 is about 1342.8062601201.

Adding to 2421252442 its reverse (2442521242), we get a palindrome (4863773684).

The spelling of 2421252442 in words is "two billion, four hundred twenty-one million, two hundred fifty-two thousand, four hundred forty-two".