5540378918144 has 72 divisors (see below), whose sum is σ = 12846186208128. Its totient is φ = 2335522682880.

The previous prime is 5540378918143. The next prime is 5540378918147. The reversal of 5540378918144 is 4418198730455.

It is a happy number.

It is a super-2 number, since 2×5540378918144² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540378918141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25232732 + ... + 25451355.

Almost surely, 2^{5540378918144} is an apocalyptic number.

It is an amenable number.

5540378918144 is an abundant number, since it is smaller than the sum of its proper divisors (7305807289984).

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

5540378918144 is an equidigital number, since it uses as much as digits as its factorization.

5540378918144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50684171 (or 50684157 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 59.

The spelling of 5540378918144 in words is "five trillion, five hundred forty billion, three hundred seventy-eight million, nine hundred eighteen thousand, one hundred forty-four".