5545220402442 has 64 divisors (see below), whose sum is σ = 12752957952000. Its totient is φ = 1574595728640.

The previous prime is 5545220402441. The next prime is 5545220402443. The reversal of 5545220402442 is 2442040225455.

It is an interprime number because it is at equal distance from previous prime (5545220402441) and next prime (5545220402443).

It is a self number, because there is not a number n which added to its sum of digits gives 5545220402442.

It is not an unprimeable number, because it can be changed into a prime (5545220402441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6986859 + ... + 7739937.

It is an arithmetic number, because the mean of its divisors is an integer number (199264968000).

Almost surely, 2^{5545220402442} is an apocalyptic number.

5545220402442 is an abundant number, since it is smaller than the sum of its proper divisors (7207737549558).

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

5545220402442 is a wasteful number, since it uses less digits than its factorization.

5545220402442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754171.

The product of its (nonzero) digits is 512000, while the sum is 39.

Adding to 5545220402442 its reverse (2442040225455), we get a palindrome (7987260627897).

The spelling of 5545220402442 in words is "five trillion, five hundred forty-five billion, two hundred twenty million, four hundred two thousand, four hundred forty-two".