2015533450 has 24 divisors (see below), whose sum is σ = 4284448992. Its totient is φ = 691039920.

The previous prime is 2015533441. The next prime is 2015533517. The reversal of 2015533450 is 543355102.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2878984 + ... + 2879683.

It is an arithmetic number, because the mean of its divisors is an integer number (178518708).

Almost surely, 2^2015533450 is an apocalyptic number.

2015533450 is an abundant number, since it is smaller than the sum of its proper divisors (2268915542).

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

2015533450 is a wasteful number, since it uses less digits than its factorization.

2015533450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5758686 (or 5758681 counting only the distinct ones).

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

The square root of 2015533450 is about 44894.6928934813. The cubic root of 2015533450 is about 1263.1744616964.

Adding to 2015533450 its reverse (543355102), we get a palindrome (2558888552).

The spelling of 2015533450 in words is "two billion, fifteen million, five hundred thirty-three thousand, four hundred fifty".