545324955840 has 672 divisors, whose sum is σ = 2207735162880. Its totient is φ = 120938323968.

The previous prime is 545324955829. The next prime is 545324955859. The reversal of 545324955840 is 48559423545.

545324955840 is a `hidden beast` number, since 5 + 4 + 5 + 3 + 2 + 49 + 558 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 345360171 + ... + 345361749.

Almost surely, 2^545324955840 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 545324955840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1103867581440).

545324955840 is an abundant number, since it is smaller than the sum of its proper divisors (1662410207040).

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

545324955840 is a wasteful number, since it uses less digits than its factorization.

545324955840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109 (or 2096 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 54.

The spelling of 545324955840 in words is "five hundred forty-five billion, three hundred twenty-four million, nine hundred fifty-five thousand, eight hundred forty".