261038848 has 144 divisors (see below), whose sum is σ = 636289024. Its totient is φ = 104509440.

The previous prime is 261038797. The next prime is 261038867. The reversal of 261038848 is 848830162.

261038848 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 261038848.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2055361 + ... + 2055487.

Almost surely, 2^261038848 is an apocalyptic number.

261038848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 261038848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318144512).

261038848 is an abundant number, since it is smaller than the sum of its proper divisors (375250176).

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

261038848 is a wasteful number, since it uses less digits than its factorization.

261038848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 261038848 is about 16156.6966920841. The cubic root of 261038848 is about 639.0993581637.

The spelling of 261038848 in words is "two hundred sixty-one million, thirty-eight thousand, eight hundred forty-eight".