261027414 has 64 divisors (see below), whose sum is σ = 613785600. Its totient is φ = 82057536.

The previous prime is 261027397. The next prime is 261027439. The reversal of 261027414 is 414720162.

261027414 is a `hidden beast` number, since 2 + 610 + 2 + 7 + 41 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89227 + ... + 92105.

It is an arithmetic number, because the mean of its divisors is an integer number (9590400).

Almost surely, 2^261027414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 261027414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306892800).

261027414 is an abundant number, since it is smaller than the sum of its proper divisors (352758186).

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

261027414 is a wasteful number, since it uses less digits than its factorization.

261027414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986 (or 2980 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 261027414 is about 16156.3428411259. The cubic root of 261027414 is about 639.0900267701.

Adding to 261027414 its reverse (414720162), we get a palindrome (675747576).

The spelling of 261027414 in words is "two hundred sixty-one million, twenty-seven thousand, four hundred fourteen".