2039781312 has 224 divisors, whose sum is σ = 6627571200. Its totient is φ = 611905536.

The previous prime is 2039781311. The next prime is 2039781319. The reversal of 2039781312 is 2131879302.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2039781311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 674139 + ... + 677157.

Almost surely, 2^2039781312 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 2039781312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3313785600).

2039781312 is an abundant number, since it is smaller than the sum of its proper divisors (4587789888).

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

2039781312 is a wasteful number, since it uses less digits than its factorization.

2039781312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080 (or 3064 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 2039781312 is about 45163.9381808097. The cubic root of 2039781312 is about 1268.2198201165.

The spelling of 2039781312 in words is "two billion, thirty-nine million, seven hundred eighty-one thousand, three hundred twelve".