4544620620012 has 144 divisors (see below), whose sum is σ = 13243057027200. Its totient is φ = 1299598663680.

The previous prime is 4544620619971. The next prime is 4544620620041. The reversal of 4544620620012 is 2100260264454.

4544620620012 is a `hidden beast` number, since 4 + 5 + 4 + 4 + 6 + 20 + 620 + 0 + 1 + 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, 758539 + ... + 3108797.

It is an arithmetic number, because the mean of its divisors is an integer number (91965673800).

Almost surely, 2^{4544620620012} 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 4544620620012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6621528513600).

4544620620012 is an abundant number, since it is smaller than the sum of its proper divisors (8698436407188).

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

4544620620012 is a wasteful number, since it uses less digits than its factorization.

4544620620012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350556 (or 2350551 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 4544620620012 its reverse (2100260264454), we get a palindrome (6644880884466).

The spelling of 4544620620012 in words is "four trillion, five hundred forty-four billion, six hundred twenty million, six hundred twenty thousand, twelve".