120140043430400 has 240 divisors, whose sum is σ = 340279389939456. Its totient is φ = 41178677329920.

The previous prime is 120140043430361. The next prime is 120140043430489. The reversal of 120140043430400 is 4034340041021.

It is a self number, because there is not a number n which added to its sum of digits gives 120140043430400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305070422 + ... + 305463978.

Almost surely, 2^{120140043430400} is an apocalyptic number.

120140043430400 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 120140043430400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170139694969728).

120140043430400 is an abundant number, since it is smaller than the sum of its proper divisors (220139346509056).

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

120140043430400 is an equidigital number, since it uses as much as digits as its factorization.

120140043430400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396999 (or 396978 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 120140043430400 its reverse (4034340041021), we get a palindrome (124174383471421).

The spelling of 120140043430400 in words is "one hundred twenty trillion, one hundred forty billion, forty-three million, four hundred thirty thousand, four hundred".