544540236012 has 144 divisors (see below), whose sum is σ = 1422161368992. Its totient is φ = 175550976000.

The previous prime is 544540236001. The next prime is 544540236041. The reversal of 544540236012 is 210632045445.

544540236012 is a `hidden beast` number, since 5 + 4 + 4 + 5 + 40 + 2 + 3 + 601 + 2 = 666.

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

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 47 ways as a sum of consecutive naturals, for example, 204944188 + ... + 204946844.

It is an arithmetic number, because the mean of its divisors is an integer number (9876120618).

Almost surely, 2^544540236012 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 544540236012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711080684496).

544540236012 is an abundant number, since it is smaller than the sum of its proper divisors (877621132980).

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

544540236012 is a wasteful number, since it uses less digits than its factorization.

544540236012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568 (or 3563 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 544540236012 in words is "five hundred forty-four billion, five hundred forty million, two hundred thirty-six thousand, twelve".