4499647838928 has 320 divisors, whose sum is σ = 14723914752000. Its totient is φ = 1319541321600.

The previous prime is 4499647838921. The next prime is 4499647838929. The reversal of 4499647838928 is 8298387469944.

4499647838928 is a `hidden beast` number, since 4 + 4 + 9 + 96 + 478 + 38 + 9 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4499647838921) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11743723 + ... + 12120821.

It is an arithmetic number, because the mean of its divisors is an integer number (46012233600).

Almost surely, 2^{4499647838928} is an apocalyptic number.

4499647838928 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 4499647838928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7361957376000).

4499647838928 is an abundant number, since it is smaller than the sum of its proper divisors (10224266913072).

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

4499647838928 is a wasteful number, since it uses less digits than its factorization.

4499647838928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377170 (or 377146 counting only the distinct ones).

The product of its digits is 6019743744, while the sum is 81.

The spelling of 4499647838928 in words is "four trillion, four hundred ninety-nine billion, six hundred forty-seven million, eight hundred thirty-eight thousand, nine hundred twenty-eight".