3660908840 has 32 divisors (see below), whose sum is σ = 8249565960. Its totient is φ = 1462137600.

The previous prime is 3660908833. The next prime is 3660908851. The reversal of 3660908840 is 488090663.

It can be written as a sum of positive squares in 4 ways, for example, as 3136224004 + 524684836 = 56002^2 + 22906^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3660908791 and 3660908800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42791 + ... + 95670.

Almost surely, 2^3660908840 is an apocalyptic number.

It is an amenable number.

3660908840 is an abundant number, since it is smaller than the sum of its proper divisors (4588657120).

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

3660908840 is a wasteful number, since it uses less digits than its factorization.

3660908840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139133 (or 139129 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 3660908840 is about 60505.4447136785. Note that the first 3 decimals coincide. The cubic root of 3660908840 is about 1541.2140929092.

The spelling of 3660908840 in words is "three billion, six hundred sixty million, nine hundred eight thousand, eight hundred forty".