260615550 has 48 divisors (see below), whose sum is σ = 696049200. Its totient is φ = 64151040.

The previous prime is 260615521. The next prime is 260615569. The reversal of 260615550 is 55516062.

260615550 is digitally balanced in base 3, 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 (30).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 64875 + ... + 68774.

It is an arithmetic number, because the mean of its divisors is an integer number (14501025).

Almost surely, 2^260615550 is an apocalyptic number.

260615550 is an abundant number, since it is smaller than the sum of its proper divisors (435433650).

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

260615550 is a wasteful number, since it uses less digits than its factorization.

260615550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133677 (or 133672 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 260615550 is about 16143.5916078176. The cubic root of 260615550 is about 638.7537188801.

The spelling of 260615550 in words is "two hundred sixty million, six hundred fifteen thousand, five hundred fifty".