815482481420 has 96 divisors (see below), whose sum is σ = 1764300557376. Its totient is φ = 316424908800.

The previous prime is 815482481413. The next prime is 815482481423. The reversal of 815482481420 is 24184284518.

It is not an unprimeable number, because it can be changed into a prime (815482481423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108050087 + ... + 108057633.

It is an arithmetic number, because the mean of its divisors is an integer number (18378130806).

Almost surely, 2^815482481420 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 815482481420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (882150278688).

815482481420 is an abundant number, since it is smaller than the sum of its proper divisors (948818075956).

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

815482481420 is a wasteful number, since it uses less digits than its factorization.

815482481420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8331 (or 8329 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 47.

The spelling of 815482481420 in words is "eight hundred fifteen billion, four hundred eighty-two million, four hundred eighty-one thousand, four hundred twenty".