618318030 has 64 divisors (see below), whose sum is σ = 1641109248. Its totient is φ = 147836160.

The previous prime is 618318023. The next prime is 618318031. The reversal of 618318030 is 30813816.

618318030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618318031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11257 + ... + 36923.

It is an arithmetic number, because the mean of its divisors is an integer number (25642332).

Almost surely, 2^618318030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618318030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (820554624).

618318030 is an abundant number, since it is smaller than the sum of its proper divisors (1022791218).

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

618318030 is a wasteful number, since it uses less digits than its factorization.

618318030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25761.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 618318030 is about 24866.0014879755. The cubic root of 618318030 is about 851.9301145041.

The spelling of 618318030 in words is "six hundred eighteen million, three hundred eighteen thousand, thirty".