5599662781440 has 2816 divisors, whose sum is σ = 25037829734400. Its totient is φ = 1033484894208.

The previous prime is 5599662781417. The next prime is 5599662781441. The reversal of 5599662781440 is 441872669955.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5599662781441) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 35666641842 + ... + 35666641998.

Almost surely, 2^{5599662781440} 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 5599662781440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12518914867200).

5599662781440 is an abundant number, since it is smaller than the sum of its proper divisors (19438166952960).

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

5599662781440 is a wasteful number, since it uses less digits than its factorization.

5599662781440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 66.

The spelling of 5599662781440 in words is "five trillion, five hundred ninety-nine billion, six hundred sixty-two million, seven hundred eighty-one thousand, four hundred forty".