2255644451420 has 24 divisors (see below), whose sum is σ = 4758094852224. Its totient is φ = 898211779776.

The previous prime is 2255644451413. The next prime is 2255644451429. The reversal of 2255644451420 is 241544465522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255644451429) 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, 252870479 + ... + 252879398.

It is an arithmetic number, because the mean of its divisors is an integer number (198253952176).

Almost surely, 2^{2255644451420} is an apocalyptic number.

2255644451420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2255644451420 is an abundant number, since it is smaller than the sum of its proper divisors (2502450400804).

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

2255644451420 is a wasteful number, since it uses less digits than its factorization.

2255644451420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505750109 (or 505750107 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 44.

The spelling of 2255644451420 in words is "two trillion, two hundred fifty-five billion, six hundred forty-four million, four hundred fifty-one thousand, four hundred twenty".