261304266232 has 16 divisors (see below), whose sum is σ = 489980633400. Its totient is φ = 130642764000.

The previous prime is 261304266229. The next prime is 261304266259. The reversal of 261304266232 is 232662403162.

It is a junction number, because it is equal to n+sod(n) for n = 261304266191 and 261304266200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051894 + ... + 1276357.

Almost surely, 2^261304266232 is an apocalyptic number.

It is an amenable number.

261304266232 is a deficient number, since it is larger than the sum of its proper divisors (228676367168).

261304266232 is a wasteful number, since it uses less digits than its factorization.

261304266232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342286 (or 2342282 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 261304266232 its reverse (232662403162), we get a palindrome (493966669394).

The spelling of 261304266232 in words is "two hundred sixty-one billion, three hundred four million, two hundred sixty-six thousand, two hundred thirty-two".