818912272350 has 384 divisors, whose sum is σ = 2174028139008. Its totient is φ = 203751475200.

The previous prime is 818912272333. The next prime is 818912272369. The reversal of 818912272350 is 53272219818.

It is a self number, because there is not a number n which added to its sum of digits gives 818912272350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3607542937 + ... + 3607543163.

It is an arithmetic number, because the mean of its divisors is an integer number (5661531612).

Almost surely, 2^818912272350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 818912272350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1087014069504).

818912272350 is an abundant number, since it is smaller than the sum of its proper divisors (1355115866658).

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

818912272350 is a wasteful number, since it uses less digits than its factorization.

818912272350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 818912272350 in words is "eight hundred eighteen billion, nine hundred twelve million, two hundred seventy-two thousand, three hundred fifty".