546821041500 has 144 divisors (see below), whose sum is σ = 1726626204576. Its totient is φ = 145684704000.

The previous prime is 546821041499. The next prime is 546821041511. The reversal of 546821041500 is 5140128645.

It is a happy number.

546821041500 is a `hidden beast` number, since 5 + 46 + 8 + 2 + 104 + 1 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4881115 + ... + 4991885.

It is an arithmetic number, because the mean of its divisors is an integer number (11990459754).

Almost surely, 2^546821041500 is an apocalyptic number.

546821041500 is a gapful number since it is divisible by the number (50) 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 546821041500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863313102288).

546821041500 is an abundant number, since it is smaller than the sum of its proper divisors (1179805163076).

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

546821041500 is a wasteful number, since it uses less digits than its factorization.

546821041500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111893 (or 111878 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 546821041500 in words is "five hundred forty-six billion, eight hundred twenty-one million, forty-one thousand, five hundred".