815082615338 has 48 divisors (see below), whose sum is σ = 1279281094560. Its totient is φ = 389372094144.

The previous prime is 815082615229. The next prime is 815082615341. The reversal of 815082615338 is 833516280518.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181409420 + ... + 181413912.

It is an arithmetic number, because the mean of its divisors is an integer number (26651689470).

Almost surely, 2^815082615338 is an apocalyptic number.

815082615338 is a deficient number, since it is larger than the sum of its proper divisors (464198479222).

815082615338 is a wasteful number, since it uses less digits than its factorization.

815082615338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5751 (or 5714 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 50.

The spelling of 815082615338 in words is "eight hundred fifteen billion, eighty-two million, six hundred fifteen thousand, three hundred thirty-eight".