2039645418720 has 384 divisors, whose sum is σ = 8323738536960. Its totient is φ = 407692984320.

The previous prime is 2039645418703. The next prime is 2039645418721. The reversal of 2039645418720 is 278145469302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2039645418721) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 398901 + ... + 2058740.

It is an arithmetic number, because the mean of its divisors is an integer number (21676402440).

It is a 1-persistent number, because it is pandigital, but 2⋅2039645418720 = 4079290837440 is not.

Almost surely, 2^{2039645418720} is an apocalyptic number.

2039645418720 is a gapful number since it is divisible by the number (20) 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 2039645418720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4161869268480).

2039645418720 is an abundant number, since it is smaller than the sum of its proper divisors (6284093118240).

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

2039645418720 is a wasteful number, since it uses less digits than its factorization.

2039645418720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457698 (or 2457690 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 2039645418720 in words is "two trillion, thirty-nine billion, six hundred forty-five million, four hundred eighteen thousand, seven hundred twenty".