4538749680 has 160 divisors (see below), whose sum is σ = 16138014720. Its totient is φ = 1171272960.

The previous prime is 4538749679. The next prime is 4538749703. The reversal of 4538749680 is 869478354.

4538749680 is a `hidden beast` number, since 4 + 538 + 7 + 49 + 68 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33069 + ... + 100851.

It is an arithmetic number, because the mean of its divisors is an integer number (100862592).

Almost surely, 2^4538749680 is an apocalyptic number.

4538749680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4538749680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8069007360).

4538749680 is an abundant number, since it is smaller than the sum of its proper divisors (11599265040).

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

4538749680 is a wasteful number, since it uses less digits than its factorization.

4538749680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67836 (or 67824 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The square root of 4538749680 is about 67370.2432829213. The cubic root of 4538749680 is about 1655.6889249759.

The spelling of 4538749680 in words is "four billion, five hundred thirty-eight million, seven hundred forty-nine thousand, six hundred eighty".