5268663840 has 384 divisors, whose sum is σ = 18822585600. Its totient is φ = 1227571200.

The previous prime is 5268663823. The next prime is 5268663853. The reversal of 5268663840 is 483668625.

It is a super-3 number, since 3×5268663840³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 5268663840.

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 63 ways as a sum of consecutive naturals, for example, 29108550 + ... + 29108730.

It is an arithmetic number, because the mean of its divisors is an integer number (49017150).

Almost surely, 2^5268663840 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 5268663840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9411292800).

5268663840 is an abundant number, since it is smaller than the sum of its proper divisors (13553921760).

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

5268663840 is a wasteful number, since it uses less digits than its factorization.

5268663840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The square root of 5268663840 is about 72585.5622007573. The cubic root of 5268663840 is about 1740.0704423853.

The spelling of 5268663840 in words is "five billion, two hundred sixty-eight million, six hundred sixty-three thousand, eight hundred forty".