2039487664 has 80 divisors (see below), whose sum is σ = 4270684000. Its totient is φ = 940584960.

The previous prime is 2039487661. The next prime is 2039487673. The reversal of 2039487664 is 4667849302.

It is not an unprimeable number, because it can be changed into a prime (2039487661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2020792 + ... + 2021800.

It is an arithmetic number, because the mean of its divisors is an integer number (53383550).

Almost surely, 2^2039487664 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 2039487664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2135342000).

2039487664 is an abundant number, since it is smaller than the sum of its proper divisors (2231196336).

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

2039487664 is a wasteful number, since it uses less digits than its factorization.

2039487664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 49.

The square root of 2039487664 is about 45160.6871515481. The cubic root of 2039487664 is about 1268.1589593298.

The spelling of 2039487664 in words is "two billion, thirty-nine million, four hundred eighty-seven thousand, six hundred sixty-four".