4661463140 has 24 divisors (see below), whose sum is σ = 9843163512. Its totient is φ = 1854282240.

The previous prime is 4661463101. The next prime is 4661463251. The reversal of 4661463140 is 413641664.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23580736 + 4637882404 = 4856^2 + 68102^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4661463140.

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, 640229 + ... + 647468.

It is an arithmetic number, because the mean of its divisors is an integer number (410131813).

Almost surely, 2^4661463140 is an apocalyptic number.

It is an amenable number.

4661463140 is an abundant number, since it is smaller than the sum of its proper divisors (5181700372).

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

4661463140 is a wasteful number, since it uses less digits than its factorization.

4661463140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287887 (or 1287885 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 4661463140 is about 68274.9085682288. The cubic root of 4661463140 is about 1670.4779656675.

The spelling of 4661463140 in words is "four billion, six hundred sixty-one million, four hundred sixty-three thousand, one hundred forty".