4155220382 has 8 divisors (see below), whose sum is σ = 6236859000. Its totient is φ = 2076267384.

The previous prime is 4155220351. The next prime is 4155220397. The reversal of 4155220382 is 2830225514.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667532 + ... + 673727.

It is an arithmetic number, because the mean of its divisors is an integer number (779607375).

Almost surely, 2^4155220382 is an apocalyptic number.

4155220382 is a deficient number, since it is larger than the sum of its proper divisors (2081638618).

4155220382 is a wasteful number, since it uses less digits than its factorization.

4155220382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342810.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 4155220382 is about 64460.9989218287. The cubic root of 4155220382 is about 1607.6741208111.

Adding to 4155220382 its reverse (2830225514), we get a palindrome (6985445896).

The spelling of 4155220382 in words is "four billion, one hundred fifty-five million, two hundred twenty thousand, three hundred eighty-two".