5387419728 has 80 divisors (see below), whose sum is σ = 15495258240. Its totient is φ = 1792164096.

The previous prime is 5387419727. The next prime is 5387419729. The reversal of 5387419728 is 8279147835.

It is a happy number.

5387419728 is a `hidden beast` number, since 538 + 74 + 19 + 7 + 28 = 666.

It is an interprime number because it is at equal distance from previous prime (5387419727) and next prime (5387419729).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5387419727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204900 + ... + 229692.

It is an arithmetic number, because the mean of its divisors is an integer number (193690728).

Almost surely, 2^5387419728 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 5387419728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7747629120).

5387419728 is an abundant number, since it is smaller than the sum of its proper divisors (10107838512).

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

5387419728 is a wasteful number, since it uses less digits than its factorization.

5387419728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25313 (or 25301 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 5387419728 is about 73399.0444624451. The cubic root of 5387419728 is about 1753.0471784381.

The spelling of 5387419728 in words is "five billion, three hundred eighty-seven million, four hundred nineteen thousand, seven hundred twenty-eight".