13225052340 has 144 divisors (see below), whose sum is σ = 40983703488. Its totient is φ = 3451210752.

The previous prime is 13225052327. The next prime is 13225052341. The reversal of 13225052340 is 4325052231.

It is a happy number.

13225052340 is a `hidden beast` number, since 132 + 2 + 5 + 0 + 523 + 4 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13225052341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1594444 + ... + 1602716.

It is an arithmetic number, because the mean of its divisors is an integer number (284609052).

Almost surely, 2^13225052340 is an apocalyptic number.

13225052340 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 13225052340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20491851744).

13225052340 is an abundant number, since it is smaller than the sum of its proper divisors (27758651148).

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

13225052340 is a wasteful number, since it uses less digits than its factorization.

13225052340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8478 (or 8473 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 13225052340 in words is "thirteen billion, two hundred twenty-five million, fifty-two thousand, three hundred forty".