13235650560 has 640 divisors, whose sum is σ = 54358128000. Its totient is φ = 3019898880.

The previous prime is 13235650559. The next prime is 13235650613. The reversal of 13235650560 is 6505653231.

13235650560 is a `hidden beast` number, since 1 + 3 + 2 + 35 + 65 + 0 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 778567672 + ... + 778567688.

It is an arithmetic number, because the mean of its divisors is an integer number (84934575).

Almost surely, 2^13235650560 is an apocalyptic number.

13235650560 is a gapful number since it is divisible by the number (10) 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 13235650560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27179064000).

13235650560 is an abundant number, since it is smaller than the sum of its proper divisors (41122477440).

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

13235650560 is an frugal number, since it uses more digits than its factorization.

13235650560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 13235650560 in words is "thirteen billion, two hundred thirty-five million, six hundred fifty thousand, five hundred sixty".