4981990339872 has 384 divisors, whose sum is σ = 18825340262400. Its totient is φ = 1244776854528.

The previous prime is 4981990339867. The next prime is 4981990339919. The reversal of 4981990339872 is 2789330991894.

4981990339872 is a `hidden beast` number, since 4 + 9 + 81 + 9 + 90 + 3 + 398 + 72 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4981990339872.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 173638 + ... + 3161349.

It is an arithmetic number, because the mean of its divisors is an integer number (49024323600).

Almost surely, 2^{4981990339872} is an apocalyptic number.

4981990339872 is a gapful number since it is divisible by the number (42) 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 4981990339872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9412670131200).

4981990339872 is an abundant number, since it is smaller than the sum of its proper divisors (13843349922528).

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

4981990339872 is a wasteful number, since it uses less digits than its factorization.

4981990339872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335045 (or 3335031 counting only the distinct ones).

The product of its (nonzero) digits is 211631616, while the sum is 72.

The spelling of 4981990339872 in words is "four trillion, nine hundred eighty-one billion, nine hundred ninety million, three hundred thirty-nine thousand, eight hundred seventy-two".