2421210426 has 8 divisors (see below), whose sum is σ = 4842420864. Its totient is φ = 807070140.

The previous prime is 2421210419. The next prime is 2421210427. The reversal of 2421210426 is 6240121242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2421210426 is an admirable number.

It is a super-2 number, since 2×2421210426² = 11724519853942202952, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2421210396 and 2421210405.

It is not an unprimeable number, because it can be changed into a prime (2421210427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201767530 + ... + 201767541.

It is an arithmetic number, because the mean of its divisors is an integer number (605302608).

Almost surely, 2^2421210426 is an apocalyptic number.

2421210426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2421210426 is a wasteful number, since it uses less digits than its factorization.

2421210426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403535076.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2421210426 is about 49205.7966707176. The cubic root of 2421210426 is about 1342.7984928350.

Adding to 2421210426 its reverse (6240121242), we get a palindrome (8661331668).

The spelling of 2421210426 in words is "two billion, four hundred twenty-one million, two hundred ten thousand, four hundred twenty-six".