918146844390 has 32 divisors (see below), whose sum is σ = 2203690427136. Its totient is φ = 244823825120.

The previous prime is 918146844383. The next prime is 918146844403. The reversal of 918146844390 is 93448641819.

918146844390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 918146844390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467196 + ... + 1433375.

It is an arithmetic number, because the mean of its divisors is an integer number (68865325848).

Almost surely, 2^918146844390 is an apocalyptic number.

918146844390 is an abundant number, since it is smaller than the sum of its proper divisors (1285543582746).

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

918146844390 is a wasteful number, since it uses less digits than its factorization.

918146844390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916684.

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 918146844390 in words is "nine hundred eighteen billion, one hundred forty-six million, eight hundred forty-four thousand, three hundred ninety".