2018718720 has 352 divisors, whose sum is σ = 7605014400. Its totient is φ = 506068992.

The previous prime is 2018718697. The next prime is 2018718769. The reversal of 2018718720 is 278178102.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2349651 + ... + 2350509.

Almost surely, 2^2018718720 is an apocalyptic number.

2018718720 is a gapful number since it is divisible by the number (20) 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 2018718720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3802507200).

2018718720 is an abundant number, since it is smaller than the sum of its proper divisors (5586295680).

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

2018718720 is a wasteful number, since it uses less digits than its factorization.

2018718720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 2018718720 is about 44930.1537945287. The cubic root of 2018718720 is about 1263.8395352566.

The spelling of 2018718720 in words is "two billion, eighteen million, seven hundred eighteen thousand, seven hundred twenty".