5442111533440 has 32 divisors (see below), whose sum is σ = 13010047886160. Its totient is φ = 2176844613120.

The previous prime is 5442111533387. The next prime is 5442111533497. The reversal of 5442111533440 is 443351112445.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 5442111533440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4251648996 + ... + 4251650275.

Almost surely, 2^{5442111533440} is an apocalyptic number.

It is an amenable number.

5442111533440 is an abundant number, since it is smaller than the sum of its proper divisors (7567936352720).

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

5442111533440 is an equidigital number, since it uses as much as digits as its factorization.

5442111533440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8503299290 (or 8503299278 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 5442111533440 its reverse (443351112445), we get a palindrome (5885462645885).

The spelling of 5442111533440 in words is "five trillion, four hundred forty-two billion, one hundred eleven million, five hundred thirty-three thousand, four hundred forty".