5147001640 has 128 divisors (see below), whose sum is σ = 13381355520. Its totient is φ = 1763308800.

The previous prime is 5147001619. The next prime is 5147001647. The reversal of 5147001640 is 461007415.

It is a junction number, because it is equal to n+sod(n) for n = 5147001599 and 5147001608.

It is not an unprimeable number, because it can be changed into a prime (5147001647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 674245 + ... + 681835.

It is an arithmetic number, because the mean of its divisors is an integer number (104541840).

Almost surely, 2^5147001640 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 5147001640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6690677760).

5147001640 is an abundant number, since it is smaller than the sum of its proper divisors (8234353880).

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

5147001640 is a wasteful number, since it uses less digits than its factorization.

5147001640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7703 (or 7699 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 5147001640 is about 71742.6068664918. The cubic root of 5147001640 is about 1726.5722991381.

The spelling of 5147001640 in words is "five billion, one hundred forty-seven million, one thousand, six hundred forty".