2018633652 has 144 divisors (see below), whose sum is σ = 6193998720. Its totient is φ = 541126656.

The previous prime is 2018633651. The next prime is 2018633681. The reversal of 2018633652 is 2563368102.

It is a happy number.

2018633652 is a `hidden beast` number, since 2 + 0 + 18 + 633 + 6 + 5 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018633651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2000124 + ... + 2001132.

It is an arithmetic number, because the mean of its divisors is an integer number (43013880).

Almost surely, 2^2018633652 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 2018633652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3096999360).

2018633652 is an abundant number, since it is smaller than the sum of its proper divisors (4175365068).

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

2018633652 is a wasteful number, since it uses less digits than its factorization.

2018633652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 1505 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2018633652 is about 44929.2071151940. The cubic root of 2018633652 is about 1263.8217824430.

The spelling of 2018633652 in words is "two billion, eighteen million, six hundred thirty-three thousand, six hundred fifty-two".