545846418 has 64 divisors (see below), whose sum is σ = 1313262720. Its totient is φ = 167057856.

The previous prime is 545846369. The next prime is 545846423. The reversal of 545846418 is 814648545.

It is a happy number.

545846418 is a `hidden beast` number, since 5 + 4 + 584 + 64 + 1 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136321 + ... + 140267.

It is an arithmetic number, because the mean of its divisors is an integer number (20519730).

Almost surely, 2^545846418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545846418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656631360).

545846418 is an abundant number, since it is smaller than the sum of its proper divisors (767416302).

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

545846418 is a wasteful number, since it uses less digits than its factorization.

545846418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4168 (or 4162 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 545846418 is about 23363.3563085444. The cubic root of 545846418 is about 817.2535609332.

The spelling of 545846418 in words is "five hundred forty-five million, eight hundred forty-six thousand, four hundred eighteen".