918579480 has 384 divisors, whose sum is σ = 3526649280. Its totient is φ = 189665280.

The previous prime is 918579463. The next prime is 918579481. The reversal of 918579480 is 84975819.

It is a super-2 number, since 2×918579480² = 1687576522154140800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918579481) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4662742 + ... + 4662938.

Almost surely, 2^918579480 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 918579480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1763324640).

918579480 is an abundant number, since it is smaller than the sum of its proper divisors (2608069800).

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

918579480 is a wasteful number, since it uses less digits than its factorization.

918579480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 918579480 is about 30308.0761514155. The cubic root of 918579480 is about 972.0879952173.

The spelling of 918579480 in words is "nine hundred eighteen million, five hundred seventy-nine thousand, four hundred eighty".