5261017280 has 56 divisors (see below), whose sum is σ = 12651912720. Its totient is φ = 2083558400.

The previous prime is 5261017259. The next prime is 5261017283. The reversal of 5261017280 is 827101625.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (5261017283) 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, 49070 + ... + 113709.

Almost surely, 2^5261017280 is an apocalyptic number.

It is an amenable number.

5261017280 is an abundant number, since it is smaller than the sum of its proper divisors (7390895440).

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

5261017280 is a wasteful number, since it uses less digits than its factorization.

5261017280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162897 (or 162887 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 5261017280 is about 72532.8703416596. The cubic root of 5261017280 is about 1739.2282304223.

The spelling of 5261017280 in words is "five billion, two hundred sixty-one million, seventeen thousand, two hundred eighty".