2255423054240 has 48 divisors (see below), whose sum is σ = 5329275470568. Its totient is φ = 902027252736.

The previous prime is 2255423054237. The next prime is 2255423054263. The reversal of 2255423054240 is 424503245522.

It can be written as a sum of positive squares in 4 ways, for example, as 2195482304656 + 59940749584 = 1481716^2 + 244828^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2255423054194 and 2255423054203.

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, 86267 + ... + 2125626.

Almost surely, 2^{2255423054240} is an apocalyptic number.

2255423054240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2255423054240 is an abundant number, since it is smaller than the sum of its proper divisors (3073852416328).

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

2255423054240 is a wasteful number, since it uses less digits than its factorization.

2255423054240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218281 (or 2218273 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 38.

Adding to 2255423054240 its reverse (424503245522), we get a palindrome (2679926299762).

The spelling of 2255423054240 in words is "two trillion, two hundred fifty-five billion, four hundred twenty-three million, fifty-four thousand, two hundred forty".