2455821468 has 18 divisors (see below), whose sum is σ = 6207771024. Its totient is φ = 818607144.

The previous prime is 2455821463. The next prime is 2455821493. The reversal of 2455821468 is 8641285542.

2455821468 is a `hidden beast` number, since 2 + 4 + 5 + 582 + 1 + 4 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455821463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34108596 + ... + 34108667.

It is an arithmetic number, because the mean of its divisors is an integer number (344876168).

Almost surely, 2^2455821468 is an apocalyptic number.

It is an amenable number.

2455821468 is an abundant number, since it is smaller than the sum of its proper divisors (3751949556).

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

2455821468 is a wasteful number, since it uses less digits than its factorization.

2455821468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68217273 (or 68217268 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 2455821468 is about 49556.2454994323. The cubic root of 2455821468 is about 1349.1666494673.

The spelling of 2455821468 in words is "two billion, four hundred fifty-five million, eight hundred twenty-one thousand, four hundred sixty-eight".