120442243840 has 36 divisors (see below), whose sum is σ = 288496815264. Its totient is φ = 48176897024.

The previous prime is 120442243837. The next prime is 120442243853. The reversal of 120442243840 is 48342244021.

It is a junction number, because it is equal to n+sod(n) for n = 120442243796 and 120442243805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47046472 + ... + 47049031.

It is an arithmetic number, because the mean of its divisors is an integer number (8013800424).

Almost surely, 2^120442243840 is an apocalyptic number.

120442243840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120442243840 is an abundant number, since it is smaller than the sum of its proper divisors (168054571424).

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

120442243840 is an frugal number, since it uses more digits than its factorization.

120442243840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94095524 (or 94095510 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 120442243840 its reverse (48342244021), we get a palindrome (168784487861).

The spelling of 120442243840 in words is "one hundred twenty billion, four hundred forty-two million, two hundred forty-three thousand, eight hundred forty".