2015524242 has 16 divisors (see below), whose sum is σ = 4478942880. Its totient is φ = 671841396.

The previous prime is 2015524223. The next prime is 2015524243. The reversal of 2015524242 is 2424255102.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2015524243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18662208 + ... + 18662315.

It is an arithmetic number, because the mean of its divisors is an integer number (279933930).

Almost surely, 2^2015524242 is an apocalyptic number.

2015524242 is an abundant number, since it is smaller than the sum of its proper divisors (2463418638).

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

2015524242 is a wasteful number, since it uses less digits than its factorization.

2015524242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37324534 (or 37324528 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2015524242 is about 44894.5903422673. The cubic root of 2015524242 is about 1263.1725380819.

Adding to 2015524242 its reverse (2424255102), we get a palindrome (4439779344).

The spelling of 2015524242 in words is "two billion, fifteen million, five hundred twenty-four thousand, two hundred forty-two".