4949944128 has 224 divisors, whose sum is σ = 15515539200. Its totient is φ = 1542094848.

The previous prime is 4949944117. The next prime is 4949944187. The reversal of 4949944128 is 8214499494.

It is a happy number.

4949944128 is a `hidden beast` number, since 4 + 94 + 99 + 441 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4905288 + ... + 4906296.

It is an arithmetic number, because the mean of its divisors is an integer number (69265800).

Almost surely, 2^4949944128 is an apocalyptic number.

4949944128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4949944128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7757769600).

4949944128 is an abundant number, since it is smaller than the sum of its proper divisors (10565595072).

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

4949944128 is a wasteful number, since it uses less digits than its factorization.

4949944128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214 (or 1198 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 4949944128 is about 70355.8393312169. The cubic root of 4949944128 is about 1704.2505086971.

The spelling of 4949944128 in words is "four billion, nine hundred forty-nine million, nine hundred forty-four thousand, one hundred twenty-eight".