655341520 has 40 divisors (see below), whose sum is σ = 1524864456. Its totient is φ = 261931008.

The previous prime is 655341503. The next prime is 655341527. The reversal of 655341520 is 25143556.

It can be written as a sum of positive squares in 4 ways, for example, as 58614336 + 596727184 = 7656^2 + 24428^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655341527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137904 + ... + 142576.

Almost surely, 2^655341520 is an apocalyptic number.

It is an amenable number.

655341520 is an abundant number, since it is smaller than the sum of its proper divisors (869522936).

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

655341520 is a wasteful number, since it uses less digits than its factorization.

655341520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6439 (or 6433 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 655341520 is about 25599.6390599555. The cubic root of 655341520 is about 868.6054727744.

The spelling of 655341520 in words is "six hundred fifty-five million, three hundred forty-one thousand, five hundred twenty".