4538913280 has 120 divisors (see below), whose sum is σ = 11962851516. Its totient is φ = 1650401280.

The previous prime is 4538913263. The next prime is 4538913341. The reversal of 4538913280 is 823198354.

It can be written as a sum of positive squares in 2 ways, for example, as 4496507136 + 42406144 = 67056^2 + 6512^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302434 + ... + 317086.

Almost surely, 2^4538913280 is an apocalyptic number.

4538913280 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 4538913280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5981425758).

4538913280 is an abundant number, since it is smaller than the sum of its proper divisors (7423938236).

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

4538913280 is a wasteful number, since it uses less digits than its factorization.

4538913280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14698 (or 14671 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 4538913280 is about 67371.4574578879. The cubic root of 4538913280 is about 1655.7088179327.

The spelling of 4538913280 in words is "four billion, five hundred thirty-eight million, nine hundred thirteen thousand, two hundred eighty".