260561577320 has 32 divisors (see below), whose sum is σ = 639560236320. Its totient is φ = 94749664320.

The previous prime is 260561577307. The next prime is 260561577337. The reversal of 260561577320 is 23775165062.

260561577320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296092262 + ... + 296093141.

It is an arithmetic number, because the mean of its divisors is an integer number (19986257385).

Almost surely, 2^260561577320 is an apocalyptic number.

260561577320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260561577320 is an abundant number, since it is smaller than the sum of its proper divisors (378998659000).

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

260561577320 is a wasteful number, since it uses less digits than its factorization.

260561577320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592185425 (or 592185421 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 260561577320 in words is "two hundred sixty billion, five hundred sixty-one million, five hundred seventy-seven thousand, three hundred twenty".