4425165855 has 48 divisors (see below), whose sum is σ = 8545665024. Its totient is φ = 2099874240.

The previous prime is 4425165851. The next prime is 4425165881. The reversal of 4425165855 is 5585615244.

4425165855 is a `hidden beast` number, since 44 + 25 + 1 + 6 + 585 + 5 = 666.

It is not a de Polignac number, because 4425165855 - 2² = 4425165851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4425165855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4425165851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71839 + ... + 118368.

It is an arithmetic number, because the mean of its divisors is an integer number (178034688).

Almost surely, 2^4425165855 is an apocalyptic number.

4425165855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4425165855 is a deficient number, since it is larger than the sum of its proper divisors (4120499169).

4425165855 is a wasteful number, since it uses less digits than its factorization.

4425165855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190276 (or 190273 counting only the distinct ones).

The product of its digits is 960000, while the sum is 45.

The square root of 4425165855 is about 66521.9201090889. The cubic root of 4425165855 is about 1641.7606828180.

The spelling of 4425165855 in words is "four billion, four hundred twenty-five million, one hundred sixty-five thousand, eight hundred fifty-five".