5255225040 has 160 divisors (see below), whose sum is σ = 17575125120. Its totient is φ = 1291327488.

The previous prime is 5255225023. The next prime is 5255225051. The reversal of 5255225040 is 405225525.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5255224989 and 5255225007.

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 31 ways as a sum of consecutive naturals, for example, 2410671 + ... + 2412849.

It is an arithmetic number, because the mean of its divisors is an integer number (109844532).

Almost surely, 2^5255225040 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 5255225040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8787562560).

5255225040 is an abundant number, since it is smaller than the sum of its proper divisors (12319900080).

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

5255225040 is a wasteful number, since it uses less digits than its factorization.

5255225040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981 (or 2975 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 5255225040 is about 72492.9309657155. The cubic root of 5255225040 is about 1738.5897147050.

The spelling of 5255225040 in words is "five billion, two hundred fifty-five million, two hundred twenty-five thousand, forty".