545444455424 has 176 divisors, whose sum is σ = 1214524336896. Its totient is φ = 242746982400.

The previous prime is 545444455399. The next prime is 545444455463. The reversal of 545444455424 is 424554444545.

It is a tau number, because it is divible by the number of its divisors (176).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160093529 + ... + 160096935.

Almost surely, 2^545444455424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545444455424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607262168448).

545444455424 is an abundant number, since it is smaller than the sum of its proper divisors (669079881472).

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

545444455424 is a wasteful number, since it uses less digits than its factorization.

545444455424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732 (or 3714 counting only the distinct ones).

The product of its digits is 20480000, while the sum is 50.

Adding to 545444455424 its reverse (424554444545), we get a palindrome (969998899969).

The spelling of 545444455424 in words is "five hundred forty-five billion, four hundred forty-four million, four hundred fifty-five thousand, four hundred twenty-four".