918542080 has 144 divisors (see below), whose sum is σ = 2339971200. Its totient is φ = 344494080.

The previous prime is 918542077. The next prime is 918542161. The reversal of 918542080 is 80245819.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4353175 + ... + 4353385.

It is an arithmetic number, because the mean of its divisors is an integer number (16249800).

Almost surely, 2^918542080 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 918542080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1169985600).

918542080 is an abundant number, since it is smaller than the sum of its proper divisors (1421429120).

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

918542080 is a wasteful number, since it uses less digits than its factorization.

918542080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 918542080 is about 30307.4591478732. The cubic root of 918542080 is about 972.0748021712.

Adding to 918542080 its reverse (80245819), we get a palindrome (998787899).

The spelling of 918542080 in words is "nine hundred eighteen million, five hundred forty-two thousand, eighty".