545240613444 has 96 divisors (see below), whose sum is σ = 1342808845056. Its totient is φ = 171849891840.

The previous prime is 545240613433. The next prime is 545240613461. The reversal of 545240613444 is 444316042545.

It is a super-2 number, since 2×545240613444² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 545240613396 and 545240613405.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23574574 + ... + 23597690.

It is an arithmetic number, because the mean of its divisors is an integer number (13987592136).

Almost surely, 2^545240613444 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 545240613444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671404422528).

545240613444 is an abundant number, since it is smaller than the sum of its proper divisors (797568231612).

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

545240613444 is a wasteful number, since it uses less digits than its factorization.

545240613444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24125 (or 24123 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 545240613444 its reverse (444316042545), we get a palindrome (989556655989).

The spelling of 545240613444 in words is "five hundred forty-five billion, two hundred forty million, six hundred thirteen thousand, four hundred forty-four".