4997494018800 has 720 divisors, whose sum is σ = 18586796761728. Its totient is φ = 1239035904000.

The previous prime is 4997494018793. The next prime is 4997494018801. The reversal of 4997494018800 is 88104947994.

It is a happy number.

4997494018800 is a `hidden beast` number, since 49 + 97 + 494 + 0 + 18 + 8 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4997494018801) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4530819049 + ... + 4530820151.

Almost surely, 2^{4997494018800} is an apocalyptic number.

4997494018800 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 4997494018800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9293398380864).

4997494018800 is an abundant number, since it is smaller than the sum of its proper divisors (13589302742928).

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

4997494018800 is a wasteful number, since it uses less digits than its factorization.

4997494018800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978 (or 1964 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 4997494018800 in words is "four trillion, nine hundred ninety-seven billion, four hundred ninety-four million, eighteen thousand, eight hundred".