13442442303240 has 48 divisors (see below), whose sum is σ = 43687937486700. Its totient is φ = 3584651280768.

The previous prime is 13442442303217. The next prime is 13442442303299. The reversal of 13442442303240 is 4230324424431.

13442442303240 is a `hidden beast` number, since 1 + 34 + 42 + 4 + 42 + 303 + 240 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11024299121796 + 2418143181444 = 3320286^2 + 1555038^2 .

It is a super-2 number, since 2×13442442303240² (a number of 27 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 = 13442442303195 and 13442442303204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18670058395 + ... + 18670059114.

Almost surely, 2^{13442442303240} is an apocalyptic number.

13442442303240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13442442303240 is an abundant number, since it is smaller than the sum of its proper divisors (30245495183460).

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

13442442303240 is a wasteful number, since it uses less digits than its factorization.

13442442303240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37340117526 (or 37340117519 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 13442442303240 its reverse (4230324424431), we get a palindrome (17672766727671).

The spelling of 13442442303240 in words is "thirteen trillion, four hundred forty-two billion, four hundred forty-two million, three hundred three thousand, two hundred forty".