613332044442 has 128 divisors (see below), whose sum is σ = 1545717734400. Its totient is φ = 178708483008.

The previous prime is 613332044407. The next prime is 613332044453. The reversal of 613332044442 is 244440233316.

613332044442 is a `hidden beast` number, since 6 + 1 + 3 + 3 + 3 + 204 + 4 + 442 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 613332044397 and 613332044406.

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 63 ways as a sum of consecutive naturals, for example, 36097473 + ... + 36114459.

It is an arithmetic number, because the mean of its divisors is an integer number (12075919800).

Almost surely, 2^613332044442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613332044442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (772858867200).

613332044442 is an abundant number, since it is smaller than the sum of its proper divisors (932385689958).

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

613332044442 is a wasteful number, since it uses less digits than its factorization.

613332044442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19737 (or 19731 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 613332044442 its reverse (244440233316), we get a palindrome (857772277758).

The spelling of 613332044442 in words is "six hundred thirteen billion, three hundred thirty-two million, forty-four thousand, four hundred forty-two".