5290621920 has 240 divisors, whose sum is σ = 19484388000. Its totient is φ = 1349415936.

The previous prime is 5290621909. The next prime is 5290621933. The reversal of 5290621920 is 291260925.

It is a happy number.

5290621920 is a `hidden beast` number, since 5 + 2 + 9 + 0 + 621 + 9 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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 polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 289206 + ... + 306954.

It is an arithmetic number, because the mean of its divisors is an integer number (81184950).

Almost surely, 2^5290621920 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 5290621920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9742194000).

5290621920 is an abundant number, since it is smaller than the sum of its proper divisors (14193766080).

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

5290621920 is a wasteful number, since it uses less digits than its factorization.

5290621920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17799 (or 17782 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 5290621920 is about 72736.6614576171. The cubic root of 5290621920 is about 1742.4844414146.

The spelling of 5290621920 in words is "five billion, two hundred ninety million, six hundred twenty-one thousand, nine hundred twenty".