120018554880 has 416 divisors, whose sum is σ = 441606297600. Its totient is φ = 27262058496.

The previous prime is 120018554861. The next prime is 120018554923. The reversal of 120018554880 is 88455810021.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76983541 + ... + 76985099.

It is an arithmetic number, because the mean of its divisors is an integer number (1061553600).

Almost surely, 2^120018554880 is an apocalyptic number.

120018554880 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 120018554880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220803148800).

120018554880 is an abundant number, since it is smaller than the sum of its proper divisors (321587742720).

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

120018554880 is a wasteful number, since it uses less digits than its factorization.

120018554880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777 (or 1755 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 42.

The spelling of 120018554880 in words is "one hundred twenty billion, eighteen million, five hundred fifty-four thousand, eight hundred eighty".