120149749028640 has 192 divisors, whose sum is σ = 395191574459136. Its totient is φ = 30626361249792.

The previous prime is 120149749028611. The next prime is 120149749028641. The reversal of 120149749028640 is 46820947941021.

It is not an unprimeable number, because it can be changed into a prime (120149749028641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12838002 + ... + 20127438.

It is an arithmetic number, because the mean of its divisors is an integer number (2058289450308).

Almost surely, 2^{120149749028640} is an apocalyptic number.

120149749028640 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 120149749028640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197595787229568).

120149749028640 is an abundant number, since it is smaller than the sum of its proper divisors (275041825430496).

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

120149749028640 is a wasteful number, since it uses less digits than its factorization.

120149749028640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7290971 (or 7290963 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 120149749028640 in words is "one hundred twenty trillion, one hundred forty-nine billion, seven hundred forty-nine million, twenty-eight thousand, six hundred forty".