4638148056 has 24 divisors (see below), whose sum is σ = 12561651180. Its totient is φ = 1546049328.

The previous prime is 4638148043. The next prime is 4638148079. The reversal of 4638148056 is 6508418364.

4638148056 is a `hidden beast` number, since 4 + 638 + 1 + 4 + 8 + 0 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×4638148056³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32209290 + ... + 32209433.

Almost surely, 2^4638148056 is an apocalyptic number.

It is an amenable number.

4638148056 is an abundant number, since it is smaller than the sum of its proper divisors (7923503124).

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

4638148056 is a wasteful number, since it uses less digits than its factorization.

4638148056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64418735 (or 64418728 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 4638148056 is about 68103.9503700042. The cubic root of 4638148056 is about 1667.6882515218.

The spelling of 4638148056 in words is "four billion, six hundred thirty-eight million, one hundred forty-eight thousand, fifty-six".