4550420126544 has 80 divisors (see below), whose sum is σ = 12282220708992. Its totient is φ = 1448981400064.

The previous prime is 4550420126543. The next prime is 4550420126579. The reversal of 4550420126544 is 4456210240554.

It is a junction number, because it is equal to n+sod(n) for n = 4550420126496 and 4550420126505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4550420126543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1812687 + ... + 3519470.

Almost surely, 2^{4550420126544} is an apocalyptic number.

It is an amenable number.

4550420126544 is an abundant number, since it is smaller than the sum of its proper divisors (7731800582448).

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

4550420126544 is a wasteful number, since it uses less digits than its factorization.

4550420126544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5332964 (or 5332958 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

The spelling of 4550420126544 in words is "four trillion, five hundred fifty billion, four hundred twenty million, one hundred twenty-six thousand, five hundred forty-four".