618244704 has 192 divisors, whose sum is σ = 2248404480. Its totient is φ = 160565760.

The previous prime is 618244691. The next prime is 618244709. The reversal of 618244704 is 407442816.

618244704 is a `hidden beast` number, since 6 + 182 + 4 + 470 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618244709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61882 + ... + 71174.

It is an arithmetic number, because the mean of its divisors is an integer number (11710440).

Almost surely, 2^618244704 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 618244704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1124202240).

618244704 is an abundant number, since it is smaller than the sum of its proper divisors (1630159776).

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

618244704 is a wasteful number, since it uses less digits than its factorization.

618244704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9330 (or 9316 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 618244704 is about 24864.5270214416. The cubic root of 618244704 is about 851.8964365293.

The spelling of 618244704 in words is "six hundred eighteen million, two hundred forty-four thousand, seven hundred four".