13700343240 has 80 divisors (see below), whose sum is σ = 46048386780. Its totient is φ = 3653424000.

The previous prime is 13700343229. The next prime is 13700343247. The reversal of 13700343240 is 4234300731.

13700343240 is a `hidden beast` number, since 13 + 70 + 0 + 343 + 240 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12611739204 + 1088604036 = 112302^2 + 32994^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13700343247) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2111011 + ... + 2117490.

Almost surely, 2^13700343240 is an apocalyptic number.

13700343240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13700343240 is an abundant number, since it is smaller than the sum of its proper divisors (32348043540).

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

13700343240 is a wasteful number, since it uses less digits than its factorization.

13700343240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228524 (or 4228511 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

Adding to 13700343240 its reverse (4234300731), we get a palindrome (17934643971).

The spelling of 13700343240 in words is "thirteen billion, seven hundred million, three hundred forty-three thousand, two hundred forty".