2015535340 has 96 divisors (see below), whose sum is σ = 5225109120. Its totient is φ = 635959296.

The previous prime is 2015535337. The next prime is 2015535341. The reversal of 2015535340 is 435355102.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2015535299 and 2015535308.

It is not an unprimeable number, because it can be changed into a prime (2015535341) 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 31 ways as a sum of consecutive naturals, for example, 677376 + ... + 680344.

It is an arithmetic number, because the mean of its divisors is an integer number (54428220).

Almost surely, 2^2015535340 is an apocalyptic number.

2015535340 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 2015535340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2612554560).

2015535340 is an abundant number, since it is smaller than the sum of its proper divisors (3209573780).

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

2015535340 is a wasteful number, since it uses less digits than its factorization.

2015535340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371 (or 3369 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 2015535340 is about 44894.7139427350. The cubic root of 2015535340 is about 1263.1748565297.

The spelling of 2015535340 in words is "two billion, fifteen million, five hundred thirty-five thousand, three hundred forty".