815048884 has 48 divisors (see below), whose sum is σ = 1697165568. Its totient is φ = 338646528.

The previous prime is 815048863. The next prime is 815048887. The reversal of 815048884 is 488840518.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (815048887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289 + ... + 40375.

It is an arithmetic number, because the mean of its divisors is an integer number (35357616).

Almost surely, 2^815048884 is an apocalyptic number.

It is an amenable number.

815048884 is an abundant number, since it is smaller than the sum of its proper divisors (882116684).

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

815048884 is a wasteful number, since it uses less digits than its factorization.

815048884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40144 (or 40142 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 46.

The square root of 815048884 is about 28549.0610003201. The cubic root of 815048884 is about 934.1025386189.

The spelling of 815048884 in words is "eight hundred fifteen million, forty-eight thousand, eight hundred eighty-four".