546644278400 has 192 divisors, whose sum is σ = 1520668028160. Its totient is φ = 192367104000.

The previous prime is 546644278381. The next prime is 546644278421. The reversal of 546644278400 is 4872446645.

It is a Harshad number since it is a multiple of its sum of digits (50).

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 23 ways as a sum of consecutive naturals, for example, 840722 + ... + 1341678.

It is an arithmetic number, because the mean of its divisors is an integer number (7920145980).

Almost surely, 2^546644278400 is an apocalyptic number.

546644278400 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 546644278400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (760334014080).

546644278400 is an abundant number, since it is smaller than the sum of its proper divisors (974023749760).

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

546644278400 is a wasteful number, since it uses less digits than its factorization.

546644278400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501023 (or 501006 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 50.

The spelling of 546644278400 in words is "five hundred forty-six billion, six hundred forty-four million, two hundred seventy-eight thousand, four hundred".