3260720334636 has 432 divisors, whose sum is σ = 9311694432768. Its totient is φ = 959871897600.

The previous prime is 3260720334617. The next prime is 3260720334689. The reversal of 3260720334636 is 6364330270623.

3260720334636 is a `hidden beast` number, since 3 + 2 + 6 + 0 + 7 + 2 + 0 + 3 + 3 + 4 + 636 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3260720334591 and 3260720334600.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4774114351 + ... + 4774115033.

It is an arithmetic number, because the mean of its divisors is an integer number (21554848224).

Almost surely, 2^{3260720334636} is an apocalyptic number.

3260720334636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3260720334636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4655847216384).

3260720334636 is an abundant number, since it is smaller than the sum of its proper divisors (6050974098132).

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

3260720334636 is a wasteful number, since it uses less digits than its factorization.

3260720334636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 45.

The spelling of 3260720334636 in words is "three trillion, two hundred sixty billion, seven hundred twenty million, three hundred thirty-four thousand, six hundred thirty-six".