4538818368 has 112 divisors (see below), whose sum is σ = 15249509760. Its totient is φ = 1296801792.

The previous prime is 4538818327. The next prime is 4538818369. The reversal of 4538818368 is 8638188354.

4538818368 is a `hidden beast` number, since 453 + 8 + 8 + 183 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4538818369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175521 + ... + 199712.

Almost surely, 2^4538818368 is an apocalyptic number.

4538818368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4538818368 is an abundant number, since it is smaller than the sum of its proper divisors (10710691392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4538818368 is a wasteful number, since it uses less digits than its factorization.

4538818368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375261 (or 375245 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The square root of 4538818368 is about 67370.7530609537. The cubic root of 4538818368 is about 1655.6972771577.

The spelling of 4538818368 in words is "four billion, five hundred thirty-eight million, eight hundred eighteen thousand, three hundred sixty-eight".