5220555240 has 32 divisors (see below), whose sum is σ = 15661666080. Its totient is φ = 1392148032.

The previous prime is 5220555199. The next prime is 5220555251. The reversal of 5220555240 is 425550225.

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 = 5220555198 and 5220555207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21752194 + ... + 21752433.

It is an arithmetic number, because the mean of its divisors is an integer number (489427065).

Almost surely, 2^5220555240 is an apocalyptic number.

It is an amenable number.

5220555240 is an abundant number, since it is smaller than the sum of its proper divisors (10441110840).

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

5220555240 is a wasteful number, since it uses less digits than its factorization.

5220555240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43504641 (or 43504637 counting only the distinct ones).

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

The square root of 5220555240 is about 72253.4098849321. The cubic root of 5220555240 is about 1734.7579981767.

The spelling of 5220555240 in words is "five billion, two hundred twenty million, five hundred fifty-five thousand, two hundred forty".