4538011968 has 84 divisors (see below), whose sum is σ = 14865604000. Its totient is φ = 1296573696.

The previous prime is 4538011921. The next prime is 4538011981. The reversal of 4538011968 is 8691108354.

4538011968 is a `hidden beast` number, since 453 + 8 + 0 + 1 + 196 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-2 number, since 2×4538011968² = 41187105243422466048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 558718 + ... + 566781.

Almost surely, 2^4538011968 is an apocalyptic number.

4538011968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4538011968 is an abundant number, since it is smaller than the sum of its proper divisors (10327592032).

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

4538011968 is a wasteful number, since it uses less digits than its factorization.

4538011968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125524 (or 1125511 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 4538011968 is about 67364.7680022725. The cubic root of 4538011968 is about 1655.5992168804.

The spelling of 4538011968 in words is "four billion, five hundred thirty-eight million, eleven thousand, nine hundred sixty-eight".