5557481072640 has 576 divisors, whose sum is σ = 22828196926080. Its totient is φ = 1270277406720.

The previous prime is 5557481072629. The next prime is 5557481072653. The reversal of 5557481072640 is 462701847555.

It is a happy number.

5557481072640 is a `hidden beast` number, since 5 + 5 + 57 + 481 + 0 + 72 + 6 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17258710 + ... + 17577770.

It is an arithmetic number, because the mean of its divisors is an integer number (39632286330).

Almost surely, 2^{5557481072640} 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 5557481072640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11414098463040).

5557481072640 is an abundant number, since it is smaller than the sum of its proper divisors (17270715853440).

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

5557481072640 is an equidigital number, since it uses as much as digits as its factorization.

5557481072640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319110 (or 319078 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 54.

The spelling of 5557481072640 in words is "five trillion, five hundred fifty-seven billion, four hundred eighty-one million, seventy-two thousand, six hundred forty".