6534478580 has 24 divisors (see below), whose sum is σ = 15682748928. Its totient is φ = 2240392608.

The previous prime is 6534478571. The next prime is 6534478583. The reversal of 6534478580 is 858744356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6534478583) 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, 23337284 + ... + 23337563.

It is an arithmetic number, because the mean of its divisors is an integer number (653447872).

Almost surely, 2^6534478580 is an apocalyptic number.

It is an amenable number.

6534478580 is an abundant number, since it is smaller than the sum of its proper divisors (9148270348).

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

6534478580 is a wasteful number, since it uses less digits than its factorization.

6534478580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46674863 (or 46674861 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 50.

The square root of 6534478580 is about 80836.1217525928. The cubic root of 6534478580 is about 1869.5495478645.

The spelling of 6534478580 in words is "six billion, five hundred thirty-four million, four hundred seventy-eight thousand, five hundred eighty".