2421068556 has 24 divisors (see below), whose sum is σ = 5649991984. Its totient is φ = 806904000.

The previous prime is 2421068537. The next prime is 2421068557. The reversal of 2421068556 is 6558601242.

It is not an unprimeable number, because it can be changed into a prime (2421068557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116406 + ... + 135618.

Almost surely, 2^2421068556 is an apocalyptic number.

It is an amenable number.

2421068556 is an abundant number, since it is smaller than the sum of its proper divisors (3228923428).

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

2421068556 is a wasteful number, since it uses less digits than its factorization.

2421068556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29721 (or 29719 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 2421068556 is about 49204.3550511538. The cubic root of 2421068556 is about 1342.7722653827.

Adding to 2421068556 its reverse (6558601242), we get a palindrome (8979669798).

The spelling of 2421068556 in words is "two billion, four hundred twenty-one million, sixty-eight thousand, five hundred fifty-six".