2155330270 has 16 divisors (see below), whose sum is σ = 3880260288. Its totient is φ = 861984160.

The previous prime is 2155330217. The next prime is 2155330279. The reversal of 2155330270 is 720335512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155330279) 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, 57600 + ... + 87340.

It is an arithmetic number, because the mean of its divisors is an integer number (242516268).

Almost surely, 2^2155330270 is an apocalyptic number.

2155330270 is a deficient number, since it is larger than the sum of its proper divisors (1724930018).

2155330270 is a wasteful number, since it uses less digits than its factorization.

2155330270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36995.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 2155330270 is about 46425.5346765118. The cubic root of 2155330270 is about 1291.7286022515.

Adding to 2155330270 its reverse (720335512), we get a palindrome (2875665782).

The spelling of 2155330270 in words is "two billion, one hundred fifty-five million, three hundred thirty thousand, two hundred seventy".