5384438280 has 256 divisors, whose sum is σ = 19648742400. Its totient is φ = 1303464960.

The previous prime is 5384438263. The next prime is 5384438287. The reversal of 5384438280 is 828344835.

5384438280 is a `hidden beast` number, since 53 + 8 + 443 + 82 + 80 = 666.

It is a super-2 number, since 2×5384438280² = 57984351182258716800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (5384438287) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 853297 + ... + 859583.

It is an arithmetic number, because the mean of its divisors is an integer number (76752900).

Almost surely, 2^5384438280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5384438280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9824371200).

5384438280 is an abundant number, since it is smaller than the sum of its proper divisors (14264304120).

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

5384438280 is a wasteful number, since it uses less digits than its factorization.

5384438280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381 (or 6371 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The square root of 5384438280 is about 73378.7317960729. The cubic root of 5384438280 is about 1752.7237345807.

The spelling of 5384438280 in words is "five billion, three hundred eighty-four million, four hundred thirty-eight thousand, two hundred eighty".