545544340 has 48 divisors (see below), whose sum is σ = 1315581120. Its totient is φ = 187937280.

The previous prime is 545544313. The next prime is 545544343. The reversal of 545544340 is 43445545.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 545544296 and 545544305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545544343) 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, 61077 + ... + 69436.

It is an arithmetic number, because the mean of its divisors is an integer number (27407940).

Almost surely, 2^545544340 is an apocalyptic number.

It is an amenable number.

545544340 is an abundant number, since it is smaller than the sum of its proper divisors (770036780).

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

545544340 is a wasteful number, since it uses less digits than its factorization.

545544340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130552 (or 130550 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

The square root of 545544340 is about 23356.8906321026. The cubic root of 545544340 is about 817.1027737837.

Adding to 545544340 its reverse (43445545), we get a palindrome (588989885).

The spelling of 545544340 in words is "five hundred forty-five million, five hundred forty-four thousand, three hundred forty".