13236446740 has 96 divisors (see below), whose sum is σ = 30598259328. Its totient is φ = 4769856000.

The previous prime is 13236446677. The next prime is 13236446753. The reversal of 13236446740 is 4764463231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13236446693 and 13236446702.

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, 19551282 + ... + 19551958.

It is an arithmetic number, because the mean of its divisors is an integer number (318731868).

Almost surely, 2^13236446740 is an apocalyptic number.

13236446740 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 13236446740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15299129664).

13236446740 is an abundant number, since it is smaller than the sum of its proper divisors (17361812588).

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

13236446740 is a wasteful number, since it uses less digits than its factorization.

13236446740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 13236446740 in words is "thirteen billion, two hundred thirty-six million, four hundred forty-six thousand, seven hundred forty".