261230444553414 has 32 divisors (see below), whose sum is σ = 597247322031360. Its totient is φ = 74618624490912.

The previous prime is 261230444553401. The next prime is 261230444553427. The reversal of 261230444553414 is 414355444032162.

It is an interprime number because it is at equal distance from previous prime (261230444553401) and next prime (261230444553427).

It is a congruent number.

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, 776720769 + ... + 777057020.

It is an arithmetic number, because the mean of its divisors is an integer number (18663978813480).

Almost surely, 2^{261230444553414} is an apocalyptic number.

261230444553414 is an abundant number, since it is smaller than the sum of its proper divisors (336016877477946).

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

261230444553414 is a wasteful number, since it uses less digits than its factorization.

261230444553414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553781804.

The product of its (nonzero) digits is 5529600, while the sum is 48.

Adding to 261230444553414 its reverse (414355444032162), we get a palindrome (675585888585576).

The spelling of 261230444553414 in words is "two hundred sixty-one trillion, two hundred thirty billion, four hundred forty-four million, five hundred fifty-three thousand, four hundred fourteen".