2018631104 has 56 divisors (see below), whose sum is σ = 4642518528. Its totient is φ = 852929280.

The previous prime is 2018631103. The next prime is 2018631137. The reversal of 2018631104 is 4011368102.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018631103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77 + ... + 63539.

Almost surely, 2^2018631104 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 2018631104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2321259264).

2018631104 is an abundant number, since it is smaller than the sum of its proper divisors (2623887424).

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

2018631104 is an equidigital number, since it uses as much as digits as its factorization.

2018631104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63553 (or 63543 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2018631104 is about 44929.1787594654. The cubic root of 2018631104 is about 1263.8212506940.

Adding to 2018631104 its reverse (4011368102), we get a palindrome (6029999206).

The spelling of 2018631104 in words is "two billion, eighteen million, six hundred thirty-one thousand, one hundred four".