545032680 has 128 divisors (see below), whose sum is σ = 1711342080. Its totient is φ = 138721280.

The previous prime is 545032667. The next prime is 545032769. The reversal of 545032680 is 86230545.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 230062 + ... + 232418.

It is an arithmetic number, because the mean of its divisors is an integer number (13369860).

Almost surely, 2^545032680 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 545032680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855671040).

545032680 is an abundant number, since it is smaller than the sum of its proper divisors (1166309400).

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

545032680 is a wasteful number, since it uses less digits than its factorization.

545032680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459 (or 2455 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 545032680 is about 23345.9349780642. The cubic root of 545032680 is about 816.8472433306.

The spelling of 545032680 in words is "five hundred forty-five million, thirty-two thousand, six hundred eighty".