5242699728 has 210 divisors, whose sum is σ = 17718030594. Its totient is φ = 1497750912.

The previous prime is 5242699699. The next prime is 5242699769. The reversal of 5242699728 is 8279962425.

5242699728 is a `hidden beast` number, since 524 + 2 + 6 + 9 + 97 + 28 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3045715344 + 2196984384 = 55188^2 + 46872^2 .

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 566950 + ... + 576122.

Almost surely, 2^5242699728 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 5242699728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8859015297).

5242699728 is an abundant number, since it is smaller than the sum of its proper divisors (12475330866).

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

5242699728 is an equidigital number, since it uses as much as digits as its factorization.

5242699728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9213 (or 9185 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 5242699728 is about 72406.4895434104. The cubic root of 5242699728 is about 1737.2073633617.

The spelling of 5242699728 in words is "five billion, two hundred forty-two million, six hundred ninety-nine thousand, seven hundred twenty-eight".