261950576 has 20 divisors (see below), whose sum is σ = 511238112. Its totient is φ = 130018176.

The previous prime is 261950543. The next prime is 261950593. The reversal of 261950576 is 675059162.

261950576 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57560 + ... + 61943.

Almost surely, 2^261950576 is an apocalyptic number.

It is an amenable number.

261950576 is a deficient number, since it is larger than the sum of its proper divisors (249287536).

261950576 is a wasteful number, since it uses less digits than its factorization.

261950576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119648 (or 119642 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 261950576 is about 16184.8872717730. The cubic root of 261950576 is about 639.8425524150.

The spelling of 261950576 in words is "two hundred sixty-one million, nine hundred fifty thousand, five hundred seventy-six".