5247378032640 has 384 divisors, whose sum is σ = 17351650068480. Its totient is φ = 1352997208064.

The previous prime is 5247378032621. The next prime is 5247378032671. The reversal of 5247378032640 is 462308737425.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119816827 + ... + 119860613.

It is an arithmetic number, because the mean of its divisors is an integer number (45186588720).

Almost surely, 2^{5247378032640} 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 5247378032640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8675825034240).

5247378032640 is an abundant number, since it is smaller than the sum of its proper divisors (12104272035840).

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

5247378032640 is a wasteful number, since it uses less digits than its factorization.

5247378032640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43947 (or 43927 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 51.

The spelling of 5247378032640 in words is "five trillion, two hundred forty-seven billion, three hundred seventy-eight million, thirty-two thousand, six hundred forty".