13572281340 has 72 divisors (see below), whose sum is σ = 41946061248. Its totient is φ = 3550984320.

The previous prime is 13572281297. The next prime is 13572281341. The reversal of 13572281340 is 4318227531.

13572281340 is a `hidden beast` number, since 1 + 3 + 572 + 2 + 81 + 3 + 4 + 0 = 666.

It is a super-2 number, since 2×13572281340² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13572281295 and 13572281304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13572281341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 701796 + ... + 720875.

It is an arithmetic number, because the mean of its divisors is an integer number (582584184).

Almost surely, 2^13572281340 is an apocalyptic number.

13572281340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13572281340 is an abundant number, since it is smaller than the sum of its proper divisors (28373779908).

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

13572281340 is a wasteful number, since it uses less digits than its factorization.

13572281340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422739 (or 1422734 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 13572281340 in words is "thirteen billion, five hundred seventy-two million, two hundred eighty-one thousand, three hundred forty".