13443311400240 has 40 divisors (see below), whose sum is σ = 41674265341488. Its totient is φ = 3584883040000.

The previous prime is 13443311400221. The next prime is 13443311400241. The reversal of 13443311400240 is 4200411334431.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-4 number, since 4×13443311400240⁴ (a number of 54 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13443311400198 and 13443311400207.

It is not an unprimeable number, because it can be changed into a prime (13443311400241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28006898511 + ... + 28006898990.

Almost surely, 2^{13443311400240} is an apocalyptic number.

13443311400240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13443311400240 is an abundant number, since it is smaller than the sum of its proper divisors (28230953941248).

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

13443311400240 is a wasteful number, since it uses less digits than its factorization.

13443311400240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56013797517 (or 56013797511 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 13443311400240 its reverse (4200411334431), we get a palindrome (17643722734671).

The spelling of 13443311400240 in words is "thirteen trillion, four hundred forty-three billion, three hundred eleven million, four hundred thousand, two hundred forty".