4238149656 has 64 divisors (see below), whose sum is σ = 11554905600. Its totient is φ = 1287531648.

The previous prime is 4238149649. The next prime is 4238149667. The reversal of 4238149656 is 6569418324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61326 + ... + 110621.

It is an arithmetic number, because the mean of its divisors is an integer number (180545400).

Almost surely, 2^4238149656 is an apocalyptic number.

It is an amenable number.

4238149656 is an abundant number, since it is smaller than the sum of its proper divisors (7316755944).

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

4238149656 is a wasteful number, since it uses less digits than its factorization.

4238149656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172048 (or 172044 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 4238149656 is about 65101.0726178916. The cubic root of 4238149656 is about 1618.2989888239.

The spelling of 4238149656 in words is "four billion, two hundred thirty-eight million, one hundred forty-nine thousand, six hundred fifty-six".