5028561720 has 768 divisors, whose sum is σ = 21385728000. Its totient is φ = 996323328.

The previous prime is 5028561709. The next prime is 5028561743. The reversal of 5028561720 is 271658205.

It is a happy number.

5028561720 is a `hidden beast` number, since 5 + 0 + 28 + 561 + 72 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 63652641 + ... + 63652719.

It is an arithmetic number, because the mean of its divisors is an integer number (27846000).

Almost surely, 2^5028561720 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 5028561720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10692864000).

5028561720 is an abundant number, since it is smaller than the sum of its proper divisors (16357166280).

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

5028561720 is a wasteful number, since it uses less digits than its factorization.

5028561720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 5028561720 is about 70912.3523795396. The cubic root of 5028561720 is about 1713.2257567781.

The spelling of 5028561720 in words is "five billion, twenty-eight million, five hundred sixty-one thousand, seven hundred twenty".