4994911978056 has 1280 divisors, whose sum is σ = 19640263104000. Its totient is φ = 1168067174400.

The previous prime is 4994911978019. The next prime is 4994911978057. The reversal of 4994911978056 is 6508791194994.

4994911978056 is a `hidden beast` number, since 4 + 9 + 9 + 491 + 1 + 9 + 7 + 80 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (4994911978057) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 1303131916 + ... + 1303135748.

It is an arithmetic number, because the mean of its divisors is an integer number (15343955550).

Almost surely, 2^{4994911978056} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4994911978056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9820131552000).

4994911978056 is an abundant number, since it is smaller than the sum of its proper divisors (14645351125944).

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

4994911978056 is a wasteful number, since it uses less digits than its factorization.

4994911978056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937 (or 3910 counting only the distinct ones).

The product of its (nonzero) digits is 176359680, while the sum is 72.

The spelling of 4994911978056 in words is "four trillion, nine hundred ninety-four billion, nine hundred eleven million, nine hundred seventy-eight thousand, fifty-six".