2018281672 has 16 divisors (see below), whose sum is σ = 4128303600. Its totient is φ = 917400720.

The previous prime is 2018281663. The next prime is 2018281679. The reversal of 2018281672 is 2761828102.

It is a super-2 number, since 2×2018281672² = 8146921815062231168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2018281679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11467422 + ... + 11467597.

It is an arithmetic number, because the mean of its divisors is an integer number (258018975).

Almost surely, 2^2018281672 is an apocalyptic number.

2018281672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2018281672 is an abundant number, since it is smaller than the sum of its proper divisors (2110021928).

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

2018281672 is a wasteful number, since it uses less digits than its factorization.

2018281672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22935036 (or 22935032 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 2018281672 is about 44925.2898933329. The cubic root of 2018281672 is about 1263.7483225480.

The spelling of 2018281672 in words is "two billion, eighteen million, two hundred eighty-one thousand, six hundred seventy-two".