4820397391872 has 816 divisors, whose sum is σ = 15457989456000. Its totient is φ = 1496718508032.

The previous prime is 4820397391811. The next prime is 4820397391963. The reversal of 4820397391872 is 2781937930284.

4820397391872 is a `hidden beast` number, since 4 + 82 + 0 + 3 + 97 + 391 + 87 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26929594279 + ... + 26929594457.

Almost surely, 2^{4820397391872} 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 4820397391872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7728994728000).

4820397391872 is an abundant number, since it is smaller than the sum of its proper divisors (10637592064128).

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

4820397391872 is an frugal number, since it uses more digits than its factorization.

4820397391872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 4820397391872 in words is "four trillion, eight hundred twenty billion, three hundred ninety-seven million, three hundred ninety-one thousand, eight hundred seventy-two".