5707561520 has 40 divisors (see below), whose sum is σ = 13520469456. Its totient is φ = 2239947008.

The previous prime is 5707561507. The next prime is 5707561523. The reversal of 5707561520 is 251657075.

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 (5707561523) 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, 668822 + ... + 677301.

Almost surely, 2^5707561520 is an apocalyptic number.

It is an amenable number.

5707561520 is an abundant number, since it is smaller than the sum of its proper divisors (7812907936).

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

5707561520 is a wasteful number, since it uses less digits than its factorization.

5707561520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346189 (or 1346183 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 5707561520 is about 75548.4051453106. The cubic root of 5707561520 is about 1787.1055371602.

The spelling of 5707561520 in words is "five billion, seven hundred seven million, five hundred sixty-one thousand, five hundred twenty".