4631578248 has 32 divisors (see below), whose sum is σ = 12631577760. Its totient is φ = 1403508480.

The previous prime is 4631578169. The next prime is 4631578249. The reversal of 4631578248 is 8428751364.

It is a junction number, because it is equal to n+sod(n) for n = 4631578197 and 4631578206.

It is not an unprimeable number, because it can be changed into a prime (4631578249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8771665 + ... + 8772192.

It is an arithmetic number, because the mean of its divisors is an integer number (394736805).

Almost surely, 2^4631578248 is an apocalyptic number.

It is an amenable number.

4631578248 is an abundant number, since it is smaller than the sum of its proper divisors (7999999512).

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

4631578248 is a wasteful number, since it uses less digits than its factorization.

4631578248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17543877 (or 17543873 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 4631578248 is about 68055.6995996662. The cubic root of 4631578248 is about 1666.9004680717.

The spelling of 4631578248 in words is "four billion, six hundred thirty-one million, five hundred seventy-eight thousand, two hundred forty-eight".