2420451212255 has 4 divisors (see below), whose sum is σ = 2904541454712. Its totient is φ = 1936360969800.

The previous prime is 2420451212251. The next prime is 2420451212279. The reversal of 2420451212255 is 5522121540242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2420451212255 - 2² = 2420451212251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420451212251) 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, 242045121221 + ... + 242045121230.

It is an arithmetic number, because the mean of its divisors is an integer number (726135363678).

Almost surely, 2^{2420451212255} is an apocalyptic number.

2420451212255 is a deficient number, since it is larger than the sum of its proper divisors (484090242457).

2420451212255 is an equidigital number, since it uses as much as digits as its factorization.

2420451212255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484090242456.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 2420451212255 its reverse (5522121540242), we get a palindrome (7942572752497).

The spelling of 2420451212255 in words is "two trillion, four hundred twenty billion, four hundred fifty-one million, two hundred twelve thousand, two hundred fifty-five".