618682944 has 112 divisors (see below), whose sum is σ = 1792443456. Its totient is φ = 186777600.

The previous prime is 618682931. The next prime is 618682969. The reversal of 618682944 is 449286816.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 618682893 and 618682902.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 964864 + ... + 965504.

Almost surely, 2^618682944 is an apocalyptic number.

618682944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618682944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (896221728).

618682944 is an abundant number, since it is smaller than the sum of its proper divisors (1173760512).

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

618682944 is a wasteful number, since it uses less digits than its factorization.

618682944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124 (or 1114 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 618682944 is about 24873.3380148303. The cubic root of 618682944 is about 852.0976766501.

The spelling of 618682944 in words is "six hundred eighteen million, six hundred eighty-two thousand, nine hundred forty-four".