120802457664000 has 1920 divisors, whose sum is σ = 520832969699328. Its totient is φ = 26312424652800.

The previous prime is 120802457663989. The next prime is 120802457664041. The reversal of 120802457664000 is 466754208021.

120802457664000 is a `hidden beast` number, since 1 + 20 + 80 + 2 + 457 + 66 + 40 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 26244285699 + ... + 26244290301.

Almost surely, 2^{120802457664000} is an apocalyptic number.

120802457664000 is a gapful number since it is divisible by the number (10) 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 120802457664000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260416484849664).

120802457664000 is an abundant number, since it is smaller than the sum of its proper divisors (400030512035328).

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

120802457664000 is a wasteful number, since it uses less digits than its factorization.

120802457664000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4955 (or 4926 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 120802457664000 in words is "one hundred twenty trillion, eight hundred two billion, four hundred fifty-seven million, six hundred sixty-four thousand".