5147581320 has 384 divisors, whose sum is σ = 20098108800. Its totient is φ = 1168473600.

The previous prime is 5147581277. The next prime is 5147581333. The reversal of 5147581320 is 231857415.

5147581320 is a `hidden beast` number, since 5 + 1 + 47 + 581 + 32 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11165890 + ... + 11166350.

It is an arithmetic number, because the mean of its divisors is an integer number (52338825).

Almost surely, 2^5147581320 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 5147581320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10049054400).

5147581320 is an abundant number, since it is smaller than the sum of its proper divisors (14950527480).

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

5147581320 is a wasteful number, since it uses less digits than its factorization.

5147581320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 5147581320 is about 71746.6467509109. The cubic root of 5147581320 is about 1726.6371149881.

The spelling of 5147581320 in words is "five billion, one hundred forty-seven million, five hundred eighty-one thousand, three hundred twenty".