546381982920 has 64 divisors (see below), whose sum is σ = 1639583130240. Its totient is φ = 145663001600.

The previous prime is 546381982889. The next prime is 546381982921. The reversal of 546381982920 is 29289183645.

It is not an unprimeable number, because it can be changed into a prime (546381982921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153996 + ... + 1056635.

It is an arithmetic number, because the mean of its divisors is an integer number (25618486410).

Almost surely, 2^546381982920 is an apocalyptic number.

It is an amenable number.

546381982920 is an abundant number, since it is smaller than the sum of its proper divisors (1093201147320).

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

546381982920 is a wasteful number, since it uses less digits than its factorization.

546381982920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214406 (or 1214402 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 546381982920 in words is "five hundred forty-six billion, three hundred eighty-one million, nine hundred eighty-two thousand, nine hundred twenty".