545443760 has 40 divisors (see below), whose sum is σ = 1309070976. Its totient is φ = 211138560.

The previous prime is 545443721. The next prime is 545443763. The reversal of 545443760 is 67344545.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (545443763) 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, 107489 + ... + 112448.

Almost surely, 2^545443760 is an apocalyptic number.

It is an amenable number.

545443760 is an abundant number, since it is smaller than the sum of its proper divisors (763627216).

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

545443760 is a wasteful number, since it uses less digits than its factorization.

545443760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219981 (or 219975 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 38.

The square root of 545443760 is about 23354.7374209174. The cubic root of 545443760 is about 817.0525552881.

The spelling of 545443760 in words is "five hundred forty-five million, four hundred forty-three thousand, seven hundred sixty".