13577336520 has 128 divisors (see below), whose sum is σ = 44755200000. Its totient is φ = 3267751680.

The previous prime is 13577336489. The next prime is 13577336543. The reversal of 13577336520 is 2563377531.

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, 146481 + ... + 220479.

It is an arithmetic number, because the mean of its divisors is an integer number (349650000).

Almost surely, 2^13577336520 is an apocalyptic number.

13577336520 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 13577336520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22377600000).

13577336520 is an abundant number, since it is smaller than the sum of its proper divisors (31177863480).

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

13577336520 is a wasteful number, since it uses less digits than its factorization.

13577336520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74163 (or 74159 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 42.

The spelling of 13577336520 in words is "thirteen billion, five hundred seventy-seven million, three hundred thirty-six thousand, five hundred twenty".