4155978195 has 24 divisors (see below), whose sum is σ = 7398392976. Its totient is φ = 2156614848.

The previous prime is 4155978187. The next prime is 4155978247. The reversal of 4155978195 is 5918795514.

It is a happy number.

4155978195 is a `hidden beast` number, since 4 + 1 + 559 + 7 + 81 + 9 + 5 = 666.

4155978195 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4155978195 - 2³ = 4155978187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1246377 + ... + 1249706.

It is an arithmetic number, because the mean of its divisors is an integer number (308266374).

Almost surely, 2^4155978195 is an apocalyptic number.

4155978195 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4155978195 is a deficient number, since it is larger than the sum of its proper divisors (3242414781).

4155978195 is a wasteful number, since it uses less digits than its factorization.

4155978195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496131 (or 2496128 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 54.

The square root of 4155978195 is about 64466.8767275102. The cubic root of 4155978195 is about 1607.7718486635.

The spelling of 4155978195 in words is "four billion, one hundred fifty-five million, nine hundred seventy-eight thousand, one hundred ninety-five".