5421368784 has 320 divisors, whose sum is σ = 16318955520. Its totient is φ = 1538887680.

The previous prime is 5421368783. The next prime is 5421368789. The reversal of 5421368784 is 4878631245.

It is a Harshad number since it is a multiple of its sum of digits (48).

Its product of digits (1290240) is a multiple of the sum of its prime divisors (252).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421368783) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 60914212 + ... + 60914300.

It is an arithmetic number, because the mean of its divisors is an integer number (50996736).

Almost surely, 2^5421368784 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 5421368784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8159477760).

5421368784 is an abundant number, since it is smaller than the sum of its proper divisors (10897586736).

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

5421368784 is a wasteful number, since it uses less digits than its factorization.

5421368784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 252 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 5421368784 is about 73629.9448865745. The cubic root of 5421368784 is about 1756.7217712868.

The spelling of 5421368784 in words is "five billion, four hundred twenty-one million, three hundred sixty-eight thousand, seven hundred eighty-four".