13100234240 has 80 divisors (see below), whose sum is σ = 31442273280. Its totient is φ = 5234688000.

The previous prime is 13100234239. The next prime is 13100234267. The reversal of 13100234240 is 4243200131.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×13100234240² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3272240 + ... + 3276240.

It is an arithmetic number, because the mean of its divisors is an integer number (393028416).

Almost surely, 2^13100234240 is an apocalyptic number.

13100234240 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 13100234240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15721136640).

13100234240 is an abundant number, since it is smaller than the sum of its proper divisors (18342039040).

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

13100234240 is an equidigital number, since it uses as much as digits as its factorization.

13100234240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5303 (or 5287 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13100234240 its reverse (4243200131), we get a palindrome (17343434371).

The spelling of 13100234240 in words is "thirteen billion, one hundred million, two hundred thirty-four thousand, two hundred forty".