36663240 has 64 divisors (see below), whose sum is σ = 111038400. Its totient is φ = 9683712.

The previous prime is 36663239. The next prime is 36663247. The reversal of 36663240 is 4236663.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 36663198 and 36663207.

It is not an unprimeable number, because it can be changed into a prime (36663247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11679 + ... + 14481.

It is an arithmetic number, because the mean of its divisors is an integer number (1734975).

Almost surely, 2^36663240 is an apocalyptic number.

36663240 is a gapful number since it is divisible by the number (30) 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 36663240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55519200).

36663240 is an abundant number, since it is smaller than the sum of its proper divisors (74375160).

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

36663240 is a wasteful number, since it uses less digits than its factorization.

36663240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926 (or 2922 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 36663240 is about 6055.0177538964. The cubic root of 36663240 is about 332.2081483722.

The spelling of 36663240 in words is "thirty-six million, six hundred sixty-three thousand, two hundred forty".