546456840 has 128 divisors (see below), whose sum is σ = 1792005120. Its totient is φ = 132710400.

The previous prime is 546456821. The next prime is 546456851. The reversal of 546456840 is 48654645.

It is a junction number, because it is equal to n+sod(n) for n = 546456792 and 546456801.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58920 + ... + 67560.

It is an arithmetic number, because the mean of its divisors is an integer number (14000040).

Almost surely, 2^546456840 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 546456840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (896002560).

546456840 is an abundant number, since it is smaller than the sum of its proper divisors (1245548280).

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

546456840 is a wasteful number, since it uses less digits than its factorization.

546456840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8703 (or 8699 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The square root of 546456840 is about 23376.4163207280. The cubic root of 546456840 is about 817.5580933008.

The spelling of 546456840 in words is "five hundred forty-six million, four hundred fifty-six thousand, eight hundred forty".