261414330 has 16 divisors (see below), whose sum is σ = 627394464. Its totient is φ = 69710480.

The previous prime is 261414317. The next prime is 261414353. The reversal of 261414330 is 33414162.

It is a self number, because there is not a number n which added to its sum of digits gives 261414330.

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, 4356876 + ... + 4356935.

It is an arithmetic number, because the mean of its divisors is an integer number (39212154).

Almost surely, 2^261414330 is an apocalyptic number.

261414330 is an abundant number, since it is smaller than the sum of its proper divisors (365980134).

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

261414330 is a wasteful number, since it uses less digits than its factorization.

261414330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8713821.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 261414330 is about 16168.3125279047. The cubic root of 261414330 is about 639.4056412323.

Adding to 261414330 its reverse (33414162), we get a palindrome (294828492).

The spelling of 261414330 in words is "two hundred sixty-one million, four hundred fourteen thousand, three hundred thirty".