5177245489920 has 576 divisors, whose sum is σ = 21443390115840. Its totient is φ = 1158189760512.

The previous prime is 5177245489919. The next prime is 5177245489937. The reversal of 5177245489920 is 299845427715.

5177245489920 is a `hidden beast` number, since 5 + 1 + 7 + 72 + 454 + 8 + 99 + 20 = 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 (63).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11142574 + ... + 11597906.

It is an arithmetic number, because the mean of its divisors is an integer number (37228107840).

Almost surely, 2^{5177245489920} 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 5177245489920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10721695057920).

5177245489920 is an abundant number, since it is smaller than the sum of its proper divisors (16266144625920).

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

5177245489920 is a wasteful number, since it uses less digits than its factorization.

5177245489920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455417 (or 455397 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 63.

The spelling of 5177245489920 in words is "five trillion, one hundred seventy-seven billion, two hundred forty-five million, four hundred eighty-nine thousand, nine hundred twenty".