5242508820 has 36 divisors (see below), whose sum is σ = 15902277300. Its totient is φ = 1398002304.

The previous prime is 5242508813. The next prime is 5242508839. The reversal of 5242508820 is 288052425.

5242508820 is a `hidden beast` number, since 524 + 2 + 50 + 8 + 82 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3410326404 + 1832182416 = 58398^2 + 42804^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 14562345 + ... + 14562704.

It is an arithmetic number, because the mean of its divisors is an integer number (441729925).

Almost surely, 2^5242508820 is an apocalyptic number.

It is an amenable number.

5242508820 is an abundant number, since it is smaller than the sum of its proper divisors (10659768480).

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

5242508820 is a wasteful number, since it uses less digits than its factorization.

5242508820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29125064 (or 29125059 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 5242508820 is about 72405.1712241605. The cubic root of 5242508820 is about 1737.1862768461.

The spelling of 5242508820 in words is "five billion, two hundred forty-two million, five hundred eight thousand, eight hundred twenty".