545358445632 has 672 divisors, whose sum is σ = 2116419911424. Its totient is φ = 130738544640.

The previous prime is 545358445627. The next prime is 545358445657. The reversal of 545358445632 is 236544853545.

545358445632 is a `hidden beast` number, since 5 + 4 + 5 + 3 + 584 + 4 + 56 + 3 + 2 = 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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 69761788 + ... + 69769604.

It is an arithmetic number, because the mean of its divisors is an integer number (3149434392).

Almost surely, 2^545358445632 is an apocalyptic number.

545358445632 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545358445632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1058209955712).

545358445632 is an abundant number, since it is smaller than the sum of its proper divisors (1571061465792).

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

545358445632 is a wasteful number, since it uses less digits than its factorization.

545358445632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7888 (or 7853 counting only the distinct ones).

The product of its digits is 34560000, while the sum is 54.

The spelling of 545358445632 in words is "five hundred forty-five billion, three hundred fifty-eight million, four hundred forty-five thousand, six hundred thirty-two".