618714880 has 144 divisors (see below), whose sum is σ = 1707148800. Its totient is φ = 210456576.

The previous prime is 618714871. The next prime is 618714883. The reversal of 618714880 is 88417816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618714883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1782867 + ... + 1783213.

It is an arithmetic number, because the mean of its divisors is an integer number (11855200).

Almost surely, 2^618714880 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 618714880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853574400).

618714880 is an abundant number, since it is smaller than the sum of its proper divisors (1088433920).

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

618714880 is a wasteful number, since it uses less digits than its factorization.

618714880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 43.

The square root of 618714880 is about 24873.9799790866. The cubic root of 618714880 is about 852.1123379686.

The spelling of 618714880 in words is "six hundred eighteen million, seven hundred fourteen thousand, eight hundred eighty".