260420036634 has 32 divisors (see below), whose sum is σ = 588519864000. Its totient is φ = 85335378192.

The previous prime is 260420036551. The next prime is 260420036683. The reversal of 260420036634 is 436630024062.

260420036634 is a `hidden beast` number, since 2 + 60 + 4 + 200 + 366 + 34 = 666.

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, 40866249 + ... + 40872620.

It is an arithmetic number, because the mean of its divisors is an integer number (18391245750).

Almost surely, 2^260420036634 is an apocalyptic number.

260420036634 is an abundant number, since it is smaller than the sum of its proper divisors (328099827366).

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

260420036634 is a wasteful number, since it uses less digits than its factorization.

260420036634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81738939 (or 81738933 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 260420036634 in words is "two hundred sixty billion, four hundred twenty million, thirty-six thousand, six hundred thirty-four".