261410112 has 56 divisors (see below), whose sum is σ = 768502400. Its totient is φ = 87136128.

The previous prime is 261410101. The next prime is 261410129. The reversal of 261410112 is 211014162.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73912 + ... + 77367.

Almost surely, 2^261410112 is an apocalyptic number.

It is an amenable number.

261410112 is an abundant number, since it is smaller than the sum of its proper divisors (507092288).

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

261410112 is a wasteful number, since it uses less digits than its factorization.

261410112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151300 (or 151284 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 261410112 is about 16168.1820870499. The cubic root of 261410112 is about 639.4022022121.

Adding to 261410112 its reverse (211014162), we get a palindrome (472424274).

The spelling of 261410112 in words is "two hundred sixty-one million, four hundred ten thousand, one hundred twelve".