815470042296 has 256 divisors, whose sum is σ = 2529273600000. Its totient is φ = 213347100672.

The previous prime is 815470042253. The next prime is 815470042297. The reversal of 815470042296 is 692240074518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (815470042297) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 399935245 + ... + 399937283.

It is an arithmetic number, because the mean of its divisors is an integer number (9879975000).

Almost surely, 2^815470042296 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 815470042296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1264636800000).

815470042296 is an abundant number, since it is smaller than the sum of its proper divisors (1713803557704).

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

815470042296 is a wasteful number, since it uses less digits than its factorization.

815470042296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446 (or 3442 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 815470042296 in words is "eight hundred fifteen billion, four hundred seventy million, forty-two thousand, two hundred ninety-six".