13341454640 has 80 divisors (see below), whose sum is σ = 32252489280. Its totient is φ = 5126231040.

The previous prime is 13341454619. The next prime is 13341454661. The reversal of 13341454640 is 4645414331.

It is an interprime number because it is at equal distance from previous prime (13341454619) and next prime (13341454661).

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

It is a super-2 number, since 2×13341454640² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13341454640.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442445 + ... + 471635.

It is an arithmetic number, because the mean of its divisors is an integer number (403156116).

Almost surely, 2^13341454640 is an apocalyptic number.

13341454640 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 13341454640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16126244640).

13341454640 is an abundant number, since it is smaller than the sum of its proper divisors (18911034640).

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

13341454640 is a wasteful number, since it uses less digits than its factorization.

13341454640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29430 (or 29424 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 13341454640 its reverse (4645414331), we get a palindrome (17986868971).

The spelling of 13341454640 in words is "thirteen billion, three hundred forty-one million, four hundred fifty-four thousand, six hundred forty".