261360304 has 40 divisors (see below), whose sum is σ = 523738800. Its totient is φ = 126252288.

The previous prime is 261360289. The next prime is 261360343. The reversal of 261360304 is 403063162.

261360304 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86727 + ... + 89689.

It is an arithmetic number, because the mean of its divisors is an integer number (13093470).

Almost surely, 2^261360304 is an apocalyptic number.

It is an amenable number.

261360304 is an abundant number, since it is smaller than the sum of its proper divisors (262378496).

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

261360304 is a wasteful number, since it uses less digits than its factorization.

261360304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157 (or 3151 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 261360304 is about 16166.6417044481. The cubic root of 261360304 is about 639.3615899502.

The spelling of 261360304 in words is "two hundred sixty-one million, three hundred sixty thousand, three hundred four".