2018464136 has 64 divisors (see below), whose sum is σ = 4158535920. Its totient is φ = 912798720.

The previous prime is 2018464121. The next prime is 2018464159. The reversal of 2018464136 is 6314648102.

It can be written as a sum of positive squares in 8 ways, for example, as 2992900 + 2015471236 = 1730^2 + 44894^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2018464096 and 2018464105.

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, 2365886 + ... + 2366738.

Almost surely, 2^2018464136 is an apocalyptic number.

2018464136 is a gapful number since it is divisible by the number (26) 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 2018464136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2079267960).

2018464136 is an abundant number, since it is smaller than the sum of its proper divisors (2140071784).

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

2018464136 is a wasteful number, since it uses less digits than its factorization.

2018464136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1302 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 2018464136 is about 44927.3205967149. The cubic root of 2018464136 is about 1263.7864047160.

The spelling of 2018464136 in words is "two billion, eighteen million, four hundred sixty-four thousand, one hundred thirty-six".