261088050 has 48 divisors (see below), whose sum is σ = 648485280. Its totient is φ = 69517440.

The previous prime is 261088049. The next prime is 261088067. The reversal of 261088050 is 50880162.

261088050 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 junction number, because it is equal to n+sod(n) for n = 261087999 and 261088017.

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, 178221 + ... + 179679.

It is an arithmetic number, because the mean of its divisors is an integer number (13510110).

Almost surely, 2^261088050 is an apocalyptic number.

261088050 is an abundant number, since it is smaller than the sum of its proper divisors (387397230).

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

261088050 is a wasteful number, since it uses less digits than its factorization.

261088050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667 (or 2662 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 261088050 is about 16158.2192706994. The cubic root of 261088050 is about 639.1395092644.

The spelling of 261088050 in words is "two hundred sixty-one million, eighty-eight thousand, fifty".