3630366720 has 204 divisors, whose sum is σ = 12595398816. Its totient is φ = 967311360.

The previous prime is 3630366683. The next prime is 3630366731. The reversal of 3630366720 is 276630363.

It is a happy number.

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

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2948505 + ... + 2949735.

Almost surely, 2^3630366720 is an apocalyptic number.

3630366720 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 3630366720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6297699408).

3630366720 is an abundant number, since it is smaller than the sum of its proper divisors (8965032096).

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

3630366720 is an equidigital number, since it uses as much as digits as its factorization.

3630366720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 36.

The square root of 3630366720 is about 60252.5245944101. The cubic root of 3630366720 is about 1536.9161201543.

The spelling of 3630366720 in words is "three billion, six hundred thirty million, three hundred sixty-six thousand, seven hundred twenty".