545052040 has 48 divisors (see below), whose sum is σ = 1327976100. Its totient is φ = 201247488.

The previous prime is 545052037. The next prime is 545052041. The reversal of 545052040 is 40250545.

545052040 = 6021² + 6022² + ... + 6035².

It can be written as a sum of positive squares in 6 ways, for example, as 63776196 + 481275844 = 7986^2 + 21938^2 .

It is a junction number, because it is equal to n+sod(n) for n = 545051996 and 545052014.

It is not an unprimeable number, because it can be changed into a prime (545052041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33555 + ... + 47074.

Almost surely, 2^545052040 is an apocalyptic number.

It is an amenable number.

545052040 is an abundant number, since it is smaller than the sum of its proper divisors (782924060).

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

545052040 is a wasteful number, since it uses less digits than its factorization.

545052040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80666 (or 80649 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 545052040 is about 23346.3496075939. The cubic root of 545052040 is about 816.8569149068.

The spelling of 545052040 in words is "five hundred forty-five million, fifty-two thousand, forty".