5251648408320 has 72 divisors (see below), whose sum is σ = 16772452116336. Its totient is φ = 1400439574528.

The previous prime is 5251648408297. The next prime is 5251648408327. The reversal of 5251648408320 is 238048461525.

It is a super-2 number, since 2×5251648408320² (a number of 26 digits) contains 22 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 5251648408320.

It is not an unprimeable number, because it can be changed into a prime (5251648408327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683804547 + ... + 683812226.

It is an arithmetic number, because the mean of its divisors is an integer number (232950723838).

Almost surely, 2^{5251648408320} is an apocalyptic number.

It is an amenable number.

5251648408320 is an abundant number, since it is smaller than the sum of its proper divisors (11520803708016).

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

5251648408320 is a wasteful number, since it uses less digits than its factorization.

5251648408320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367616797 (or 1367616783 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 5251648408320 in words is "five trillion, two hundred fifty-one billion, six hundred forty-eight million, four hundred eight thousand, three hundred twenty".