545442401140 has 384 divisors, whose sum is σ = 1504587571200. Its totient is φ = 161472890880.

The previous prime is 545442401131. The next prime is 545442401171. The reversal of 545442401140 is 41104244545.

It is a super-2 number, since 2×545442401140² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 545442401096 and 545442401105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 221094187 + ... + 221096653.

It is an arithmetic number, because the mean of its divisors is an integer number (3918196800).

Almost surely, 2^545442401140 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 545442401140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (752293785600).

545442401140 is an abundant number, since it is smaller than the sum of its proper divisors (959145170060).

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

545442401140 is a wasteful number, since it uses less digits than its factorization.

545442401140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655 (or 2653 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 545442401140 its reverse (41104244545), we get a palindrome (586546645685).

The spelling of 545442401140 in words is "five hundred forty-five billion, four hundred forty-two million, four hundred one thousand, one hundred forty".