545132040 has 128 divisors (see below), whose sum is σ = 1728777600. Its totient is φ = 137134080.

The previous prime is 545132017. The next prime is 545132041. The reversal of 545132040 is 40231545.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 545132040.

It is not an unprimeable number, because it can be changed into a prime (545132041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 850120 + ... + 850760.

It is an arithmetic number, because the mean of its divisors is an integer number (13506075).

Almost surely, 2^545132040 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 545132040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864388800).

545132040 is an abundant number, since it is smaller than the sum of its proper divisors (1183645560).

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

545132040 is a wasteful number, since it uses less digits than its factorization.

545132040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 545132040 is about 23348.0628746798. The cubic root of 545132040 is about 816.8968776697.

Adding to 545132040 its reverse (40231545), we get a palindrome (585363585).

The spelling of 545132040 in words is "five hundred forty-five million, one hundred thirty-two thousand, forty".