3612255689728 has 528 divisors, whose sum is σ = 9184184832000. Its totient is φ = 1417775063040.

The previous prime is 3612255689711. The next prime is 3612255689741. The reversal of 3612255689728 is 8279865522163.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a self number, because there is not a number n which added to its sum of digits gives 3612255689728.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3930636853 + ... + 3930637771.

Almost surely, 2^{3612255689728} is an apocalyptic number.

3612255689728 is a gapful number since it is divisible by the number (38) 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 3612255689728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4592092416000).

3612255689728 is an abundant number, since it is smaller than the sum of its proper divisors (5571929142272).

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

3612255689728 is an equidigital number, since it uses as much as digits as its factorization.

3612255689728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 978 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 64.

The spelling of 3612255689728 in words is "three trillion, six hundred twelve billion, two hundred fifty-five million, six hundred eighty-nine thousand, seven hundred twenty-eight".