2015816824 has 48 divisors (see below), whose sum is σ = 4429691280. Its totient is φ = 841950720.

The previous prime is 2015816821. The next prime is 2015816827. The reversal of 2015816824 is 4286185102.

It is an interprime number because it is at equal distance from previous prime (2015816821) and next prime (2015816827).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015816821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2150884 + ... + 2151820.

It is an arithmetic number, because the mean of its divisors is an integer number (92285235).

Almost surely, 2^2015816824 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 2015816824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2214845640).

2015816824 is an abundant number, since it is smaller than the sum of its proper divisors (2413874456).

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

2015816824 is an frugal number, since it uses more digits than its factorization.

2015816824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 2015816824 is about 44897.8487680646. The cubic root of 2015816824 is about 1263.2336576090.

The spelling of 2015816824 in words is "two billion, fifteen million, eight hundred sixteen thousand, eight hundred twenty-four".