2815505532 has 144 divisors (see below), whose sum is σ = 8546184192. Its totient is φ = 764121600.

The previous prime is 2815505527. The next prime is 2815505617. The reversal of 2815505532 is 2355055182.

2815505532 is a `hidden beast` number, since 28 + 1 + 550 + 55 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 873588 + ... + 876804.

Almost surely, 2^2815505532 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 2815505532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4273092096).

2815505532 is an abundant number, since it is smaller than the sum of its proper divisors (5730678660).

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

2815505532 is a wasteful number, since it uses less digits than its factorization.

2815505532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408 (or 3403 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 2815505532 is about 53061.3374501623. The cubic root of 2815505532 is about 1412.0566756804.

The spelling of 2815505532 in words is "two billion, eight hundred fifteen million, five hundred five thousand, five hundred thirty-two".