4978845938880 has 896 divisors, whose sum is σ = 20683815782400. Its totient is φ = 1114689945600.

The previous prime is 4978845938863. The next prime is 4978845938921. The reversal of 4978845938880 is 888395488794.

4978845938880 is a `hidden beast` number, since 4 + 9 + 7 + 8 + 8 + 459 + 3 + 88 + 80 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 4978845938880.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 63352410 + ... + 63430950.

Almost surely, 2^{4978845938880} is an apocalyptic number.

4978845938880 is a gapful number since it is divisible by the number (40) 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 4978845938880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10341907891200).

4978845938880 is an abundant number, since it is smaller than the sum of its proper divisors (15704969843520).

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

4978845938880 is a wasteful number, since it uses less digits than its factorization.

4978845938880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78630 (or 78614 counting only the distinct ones).

The product of its (nonzero) digits is 4459069440, while the sum is 81.

The spelling of 4978845938880 in words is "four trillion, nine hundred seventy-eight billion, eight hundred forty-five million, nine hundred thirty-eight thousand, eight hundred eighty".