5259746820 has 96 divisors (see below), whose sum is σ = 16037078400. Its totient is φ = 1282950144.

The previous prime is 5259746819. The next prime is 5259746827. The reversal of 5259746820 is 286479525.

It is a super-2 number, since 2×5259746820² = 55329873221000224800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5259746820.

It is not an unprimeable number, because it can be changed into a prime (5259746827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46489 + ... + 112608.

It is an arithmetic number, because the mean of its divisors is an integer number (167052900).

Almost surely, 2^5259746820 is an apocalyptic number.

It is an amenable number.

5259746820 is an abundant number, since it is smaller than the sum of its proper divisors (10777331580).

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

5259746820 is a wasteful number, since it uses less digits than its factorization.

5259746820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159157 (or 159155 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 5259746820 is about 72524.1119904270. Note that the first 3 decimals coincide. The cubic root of 5259746820 is about 1739.0882196179.

The spelling of 5259746820 in words is "five billion, two hundred fifty-nine million, seven hundred forty-six thousand, eight hundred twenty".