5278986240 has 416 divisors, whose sum is σ = 18853191936. Its totient is φ = 1250426880.

The previous prime is 5278986221. The next prime is 5278986247. The reversal of 5278986240 is 426898725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278986247) 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, 49336267 + ... + 49336373.

Almost surely, 2^5278986240 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 5278986240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9426595968).

5278986240 is an abundant number, since it is smaller than the sum of its proper divisors (13574205696).

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

5278986240 is a wasteful number, since it uses less digits than its factorization.

5278986240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 5278986240 is about 72656.6324570579. The cubic root of 5278986240 is about 1741.2060867791.

The spelling of 5278986240 in words is "five billion, two hundred seventy-eight million, nine hundred eighty-six thousand, two hundred forty".