546536641440 has 192 divisors, whose sum is σ = 1777719508992. Its totient is φ = 140994585600.

The previous prime is 546536641397. The next prime is 546536641447. The reversal of 546536641440 is 44146635645.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 546536641440.

It is not an unprimeable number, because it can be changed into a prime (546536641447) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 76940929 + ... + 76948031.

It is an arithmetic number, because the mean of its divisors is an integer number (9258955776).

Almost surely, 2^546536641440 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 546536641440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888859754496).

546536641440 is an abundant number, since it is smaller than the sum of its proper divisors (1231182867552).

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

546536641440 is a wasteful number, since it uses less digits than its factorization.

546536641440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12323 (or 12315 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 546536641440 in words is "five hundred forty-six billion, five hundred thirty-six million, six hundred forty-one thousand, four hundred forty".