545506442240 has 88 divisors (see below), whose sum is σ = 1309041303072. Its totient is φ = 218125025280.

The previous prime is 545506442227. The next prime is 545506442251. The reversal of 545506442240 is 42244605545.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15654917 + ... + 15689723.

Almost surely, 2^545506442240 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 545506442240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654520651536).

545506442240 is an abundant number, since it is smaller than the sum of its proper divisors (763534860832).

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

545506442240 is a wasteful number, since it uses less digits than its factorization.

545506442240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37893 (or 37875 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 41.

The spelling of 545506442240 in words is "five hundred forty-five billion, five hundred six million, four hundred forty-two thousand, two hundred forty".