2155468382 has 8 divisors (see below), whose sum is σ = 3234101016. Its totient is φ = 1077434712.

The previous prime is 2155468379. The next prime is 2155468387. The reversal of 2155468382 is 2838645512.

2155468382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155468387) 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, 140633 + ... + 155204.

It is an arithmetic number, because the mean of its divisors is an integer number (404262627).

Almost surely, 2^2155468382 is an apocalyptic number.

2155468382 is a deficient number, since it is larger than the sum of its proper divisors (1078632634).

2155468382 is a wasteful number, since it uses less digits than its factorization.

2155468382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299482.

The product of its digits is 460800, while the sum is 44.

The square root of 2155468382 is about 46427.0221099738. The cubic root of 2155468382 is about 1291.7561926728.

The spelling of 2155468382 in words is "two billion, one hundred fifty-five million, four hundred sixty-eight thousand, three hundred eighty-two".