3681142540 has 24 divisors (see below), whose sum is σ = 7734483792. Its totient is φ = 1471679040.

The previous prime is 3681142519. The next prime is 3681142541. The reversal of 3681142540 is 452411863.

It is a junction number, because it is equal to n+sod(n) for n = 3681142496 and 3681142505.

It is not an unprimeable number, because it can be changed into a prime (3681142541) 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 7 ways as a sum of consecutive naturals, for example, 9039 + ... + 86278.

It is an arithmetic number, because the mean of its divisors is an integer number (322270158).

Almost surely, 2^3681142540 is an apocalyptic number.

It is an amenable number.

3681142540 is an abundant number, since it is smaller than the sum of its proper divisors (4053341252).

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

3681142540 is a wasteful number, since it uses less digits than its factorization.

3681142540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97257 (or 97255 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 3681142540 is about 60672.4199286628. The cubic root of 3681142540 is about 1544.0482878175.

The spelling of 3681142540 in words is "three billion, six hundred eighty-one million, one hundred forty-two thousand, five hundred forty".