655855041238530 has 96 divisors (see below), whose sum is σ = 1841156441691840. Its totient is φ = 149081493133440.

The previous prime is 655855041238489. The next prime is 655855041238541. The reversal of 655855041238530 is 35832140558556.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1232219820 + ... + 1232751959.

It is an arithmetic number, because the mean of its divisors is an integer number (19178712934290).

Almost surely, 2^{655855041238530} is an apocalyptic number.

655855041238530 is an abundant number, since it is smaller than the sum of its proper divisors (1185301400453310).

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

655855041238530 is a wasteful number, since it uses less digits than its factorization.

655855041238530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464971984 (or 2464971977 counting only the distinct ones).

The product of its (nonzero) digits is 86400000, while the sum is 60.

The spelling of 655855041238530 in words is "six hundred fifty-five trillion, eight hundred fifty-five billion, forty-one million, two hundred thirty-eight thousand, five hundred thirty".