2005515504 has 40 divisors (see below), whose sum is σ = 5756573520. Its totient is φ = 668505024.

The previous prime is 2005515497. The next prime is 2005515509. The reversal of 2005515504 is 4055155002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005515509) 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, 2320767 + ... + 2321630.

It is an arithmetic number, because the mean of its divisors is an integer number (143914338).

Almost surely, 2^2005515504 is an apocalyptic number.

2005515504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2005515504 is an abundant number, since it is smaller than the sum of its proper divisors (3751058016).

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

2005515504 is a wasteful number, since it uses less digits than its factorization.

2005515504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642414 (or 4642402 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 2005515504 is about 44782.9823035492. The cubic root of 2005515504 is about 1261.0781701274.

The spelling of 2005515504 in words is "two billion, five million, five hundred fifteen thousand, five hundred four".