4146440140 has 24 divisors (see below), whose sum is σ = 8713807200. Its totient is φ = 1657379328.

The previous prime is 4146440119. The next prime is 4146440141. The reversal of 4146440140 is 410446414.

It is a junction number, because it is equal to n+sod(n) for n = 4146440099 and 4146440108.

It is not an unprimeable number, because it can be changed into a prime (4146440141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46117 + ... + 102076.

It is an arithmetic number, because the mean of its divisors is an integer number (363075300).

Almost surely, 2^4146440140 is an apocalyptic number.

It is an amenable number.

4146440140 is an abundant number, since it is smaller than the sum of its proper divisors (4567367060).

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

4146440140 is a wasteful number, since it uses less digits than its factorization.

4146440140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149601 (or 149599 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 4146440140 is about 64392.8578337691. The cubic root of 4146440140 is about 1606.5409501063.

Adding to 4146440140 its reverse (410446414), we get a palindrome (4556886554).

The spelling of 4146440140 in words is "four billion, one hundred forty-six million, four hundred forty thousand, one hundred forty".