545380044 has 24 divisors (see below), whose sum is σ = 1388240448. Its totient is φ = 165266640.

The previous prime is 545380027. The next prime is 545380049. The reversal of 545380044 is 440083545.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 545379987 and 545380014.

It is not an unprimeable number, because it can be changed into a prime (545380049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2065702 + ... + 2065965.

It is an arithmetic number, because the mean of its divisors is an integer number (57843352).

Almost surely, 2^545380044 is an apocalyptic number.

It is an amenable number.

545380044 is an abundant number, since it is smaller than the sum of its proper divisors (842860404).

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

545380044 is a wasteful number, since it uses less digits than its factorization.

545380044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131685 (or 4131683 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 545380044 is about 23353.3732895271. The cubic root of 545380044 is about 817.0207393908.

The spelling of 545380044 in words is "five hundred forty-five million, three hundred eighty thousand, forty-four".