2015728032 has 96 divisors (see below), whose sum is σ = 5450505984. Its totient is φ = 651801600.

The previous prime is 2015728019. The next prime is 2015728037. The reversal of 2015728032 is 2308275102.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (2015728037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636857 + ... + 1638087.

It is an arithmetic number, because the mean of its divisors is an integer number (56776104).

Almost surely, 2^2015728032 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 2015728032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2725252992).

2015728032 is an abundant number, since it is smaller than the sum of its proper divisors (3434777952).

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

2015728032 is a wasteful number, since it uses less digits than its factorization.

2015728032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742 (or 1734 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2015728032 is about 44896.8599347438. The cubic root of 2015728032 is about 1263.2151098441.

The spelling of 2015728032 in words is "two billion, fifteen million, seven hundred twenty-eight thousand, thirty-two".