261441435272410 has 16 divisors (see below), whose sum is σ = 470605375996416. Its totient is φ = 104574175774288.

The previous prime is 261441435272393. The next prime is 261441435272431. The reversal of 261441435272410 is 14272534144162.

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, 299333962 + ... + 300206101.

It is an arithmetic number, because the mean of its divisors is an integer number (29412835999776).

Almost surely, 2^{261441435272410} is an apocalyptic number.

261441435272410 is a deficient number, since it is larger than the sum of its proper divisors (209163940724006).

261441435272410 is a wasteful number, since it uses less digits than its factorization.

261441435272410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599583677.

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 261441435272410 in words is "two hundred sixty-one trillion, four hundred forty-one billion, four hundred thirty-five million, two hundred seventy-two thousand, four hundred ten".