5205551240 has 32 divisors (see below), whose sum is σ = 11738969280. Its totient is φ = 2077513152.

The previous prime is 5205551227. The next prime is 5205551303. The reversal of 5205551240 is 421555025.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 129164 + ... + 164603.

It is an arithmetic number, because the mean of its divisors is an integer number (366842790).

Almost surely, 2^5205551240 is an apocalyptic number.

It is an amenable number.

5205551240 is an abundant number, since it is smaller than the sum of its proper divisors (6533418040).

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

5205551240 is a wasteful number, since it uses less digits than its factorization.

5205551240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294221 (or 294217 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 5205551240 is about 72149.5061660161. The cubic root of 5205551240 is about 1733.0944915812.

The spelling of 5205551240 in words is "five billion, two hundred five million, five hundred fifty-one thousand, two hundred forty".