260855805188 has 24 divisors (see below), whose sum is σ = 498103284000. Its totient is φ = 118545621120.

The previous prime is 260855805187. The next prime is 260855805211. The reversal of 260855805188 is 881508558062.

It is a super-2 number, since 2×260855805188² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (260855805187) 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, 419813 + ... + 835436.

It is an arithmetic number, because the mean of its divisors is an integer number (20754303500).

Almost surely, 2^260855805188 is an apocalyptic number.

It is an amenable number.

260855805188 is a deficient number, since it is larger than the sum of its proper divisors (237247478812).

260855805188 is a wasteful number, since it uses less digits than its factorization.

260855805188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259987 (or 1259985 counting only the distinct ones).

The product of its (nonzero) digits is 6144000, while the sum is 56.

The spelling of 260855805188 in words is "two hundred sixty billion, eight hundred fifty-five million, eight hundred five thousand, one hundred eighty-eight".