814476520650 has 384 divisors, whose sum is σ = 2277230247936. Its totient is φ = 191295820800.

The previous prime is 814476520597. The next prime is 814476520657. The reversal of 814476520650 is 56025674418.

It is a self number, because there is not a number n which added to its sum of digits gives 814476520650.

It is not an unprimeable number, because it can be changed into a prime (814476520657) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2126570359 + ... + 2126570741.

It is an arithmetic number, because the mean of its divisors is an integer number (5930287104).

Almost surely, 2^814476520650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 814476520650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1138615123968).

814476520650 is an abundant number, since it is smaller than the sum of its proper divisors (1462753727286).

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

814476520650 is a wasteful number, since it uses less digits than its factorization.

814476520650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 814476520650 in words is "eight hundred fourteen billion, four hundred seventy-six million, five hundred twenty thousand, six hundred fifty".