3663812140 has 48 divisors (see below), whose sum is σ = 8062084800. Its totient is φ = 1395947520.

The previous prime is 3663812129. The next prime is 3663812147. The reversal of 3663812140 is 412183663.

It is a happy number.

It is a super-2 number, since 2×3663812140² = 26847038794422759200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3663812096 and 3663812105.

It is not an unprimeable number, because it can be changed into a prime (3663812147) 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, 94336 + ... + 127384.

It is an arithmetic number, because the mean of its divisors is an integer number (167960100).

Almost surely, 2^3663812140 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 3663812140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4031042400).

3663812140 is an abundant number, since it is smaller than the sum of its proper divisors (4398272660).

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

3663812140 is a wasteful number, since it uses less digits than its factorization.

3663812140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33322 (or 33320 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 3663812140 is about 60529.4320145167. The cubic root of 3663812140 is about 1541.6214074791.

The spelling of 3663812140 in words is "three billion, six hundred sixty-three million, eight hundred twelve thousand, one hundred forty".