260080155 has 24 divisors (see below), whose sum is σ = 451226880. Its totient is φ = 138579840.

The previous prime is 260080147. The next prime is 260080157. The reversal of 260080155 is 551080062.

260080155 is a `hidden beast` number, since 2 + 600 + 8 + 0 + 1 + 55 = 666.

It is not a de Polignac number, because 260080155 - 2³ = 260080147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260080157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64231 + ... + 68159.

It is an arithmetic number, because the mean of its divisors is an integer number (18801120).

Almost surely, 2^260080155 is an apocalyptic number.

260080155 is a deficient number, since it is larger than the sum of its proper divisors (191146725).

260080155 is a wasteful number, since it uses less digits than its factorization.

260080155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5411 (or 5408 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 260080155 is about 16127.0008061015. Note that the first 3 decimals coincide. The cubic root of 260080155 is about 638.3160115615.

The spelling of 260080155 in words is "two hundred sixty million, eighty thousand, one hundred fifty-five".