2815194152 has 32 divisors (see below), whose sum is σ = 5725316520. Its totient is φ = 1292482560.

The previous prime is 2815194139. The next prime is 2815194157. The reversal of 2815194152 is 2514915182.

It can be written as a sum of positive squares in 4 ways, for example, as 1692005956 + 1123188196 = 41134^2 + 33514^2 .

It is a super-2 number, since 2×2815194152² = 15850636226909998208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2815194157) 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, 246863 + ... + 258014.

Almost surely, 2^2815194152 is an apocalyptic number.

It is an amenable number.

2815194152 is an abundant number, since it is smaller than the sum of its proper divisors (2910122368).

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

2815194152 is a wasteful number, since it uses less digits than its factorization.

2815194152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504941 (or 504937 counting only the distinct ones).

The product of its digits is 28800, while the sum is 38.

The square root of 2815194152 is about 53058.4032175866. The cubic root of 2815194152 is about 1412.0046184314.

The spelling of 2815194152 in words is "two billion, eight hundred fifteen million, one hundred ninety-four thousand, one hundred fifty-two".