4681521560 has 32 divisors (see below), whose sum is σ = 10591635600. Its totient is φ = 1862259840.

The previous prime is 4681521541. The next prime is 4681521577. The reversal of 4681521560 is 651251864.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316070 + ... + 330549.

Almost surely, 2^4681521560 is an apocalyptic number.

4681521560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4681521560 is an abundant number, since it is smaller than the sum of its proper divisors (5910114040).

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

4681521560 is a wasteful number, since it uses less digits than its factorization.

4681521560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646811 (or 646807 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 4681521560 is about 68421.6454055294. The cubic root of 4681521560 is about 1672.8705765588.

The spelling of 4681521560 in words is "four billion, six hundred eighty-one million, five hundred twenty-one thousand, five hundred sixty".