2018691072 has 240 divisors, whose sum is σ = 6191705520. Its totient is φ = 654925824.

The previous prime is 2018691041. The next prime is 2018691079. The reversal of 2018691072 is 2701968102.

It is a super-2 number, since 2×2018691072² = 8150227288345018368, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2018691079) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7133043 + ... + 7133325.

It is an arithmetic number, because the mean of its divisors is an integer number (25798773).

Almost surely, 2^2018691072 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 2018691072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3095852760).

2018691072 is an abundant number, since it is smaller than the sum of its proper divisors (4173014448).

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

2018691072 is an equidigital number, since it uses as much as digits as its factorization.

2018691072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 2018691072 is about 44929.8461159172. The cubic root of 2018691072 is about 1263.8337654591.

The spelling of 2018691072 in words is "two billion, eighteen million, six hundred ninety-one thousand, seventy-two".