120178887840 has 384 divisors, whose sum is σ = 459499703040. Its totient is φ = 29093990400.

The previous prime is 120178887809. The next prime is 120178887847. The reversal of 120178887840 is 48788871021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (120178887847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48516682 + ... + 48519158.

It is an arithmetic number, because the mean of its divisors is an integer number (1196613810).

Almost surely, 2^120178887840 is an apocalyptic number.

120178887840 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 120178887840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229749851520).

120178887840 is an abundant number, since it is smaller than the sum of its proper divisors (339320815200).

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

120178887840 is a wasteful number, since it uses less digits than its factorization.

120178887840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533 (or 3519 counting only the distinct ones).

The product of its (nonzero) digits is 1605632, while the sum is 54.

The spelling of 120178887840 in words is "one hundred twenty billion, one hundred seventy-eight million, eight hundred eighty-seven thousand, eight hundred forty".