818350819740 has 240 divisors, whose sum is σ = 2655180912384. Its totient is φ = 210775219200.

The previous prime is 818350819739. The next prime is 818350819753. The reversal of 818350819740 is 47918053818.

818350819740 is a `hidden beast` number, since 8 + 1 + 8 + 3 + 508 + 1 + 97 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 26148982 + ... + 26180258.

Almost surely, 2^818350819740 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 818350819740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1327590456192).

818350819740 is an abundant number, since it is smaller than the sum of its proper divisors (1836830092644).

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

818350819740 is a wasteful number, since it uses less digits than its factorization.

818350819740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31850 (or 31839 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 818350819740 in words is "eight hundred eighteen billion, three hundred fifty million, eight hundred nineteen thousand, seven hundred forty".