5171485840 has 40 divisors (see below), whose sum is σ = 12026783808. Its totient is φ = 2068064640.

The previous prime is 5171485831. The next prime is 5171485843. The reversal of 5171485840 is 485841715.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (5171485843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499759 + ... + 510001.

Almost surely, 2^5171485840 is an apocalyptic number.

It is an amenable number.

5171485840 is an abundant number, since it is smaller than the sum of its proper divisors (6855297968).

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

5171485840 is a wasteful number, since it uses less digits than its factorization.

5171485840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16567 (or 16561 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 43.

The square root of 5171485840 is about 71913.0436012828. The cubic root of 5171485840 is about 1729.3057278540.

The spelling of 5171485840 in words is "five billion, one hundred seventy-one million, four hundred eighty-five thousand, eight hundred forty".