918056320 has 64 divisors (see below), whose sum is σ = 2265575040. Its totient is φ = 355368960.

The previous prime is 918056303. The next prime is 918056333. The reversal of 918056320 is 23650819.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3297 + ... + 42976.

It is an arithmetic number, because the mean of its divisors is an integer number (35399610).

Almost surely, 2^918056320 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 918056320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1132787520).

918056320 is an abundant number, since it is smaller than the sum of its proper divisors (1347518720).

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

918056320 is a wasteful number, since it uses less digits than its factorization.

918056320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46323 (or 46311 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 918056320 is about 30299.4442193252. Note that the first 3 decimals coincide. The cubic root of 918056320 is about 971.9034152422.

The spelling of 918056320 in words is "nine hundred eighteen million, fifty-six thousand, three hundred twenty".