2015594240 has 288 divisors, whose sum is σ = 5586791616. Its totient is φ = 690094080.

The previous prime is 2015594209. The next prime is 2015594261. The reversal of 2015594240 is 424955102.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 2015594197 and 2015594206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27610844 + ... + 27610916.

It is an arithmetic number, because the mean of its divisors is an integer number (19398582).

Almost surely, 2^2015594240 is an apocalyptic number.

2015594240 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 2015594240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2793395808).

2015594240 is an abundant number, since it is smaller than the sum of its proper divisors (3571197376).

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

2015594240 is a wasteful number, since it uses less digits than its factorization.

2015594240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2015594240 is about 44895.3699171752. The cubic root of 2015594240 is about 1263.1871609983.

The spelling of 2015594240 in words is "two billion, fifteen million, five hundred ninety-four thousand, two hundred forty".