120040340304378 has 16 divisors (see below), whose sum is σ = 258548425271136. Its totient is φ = 36935489324400.

The previous prime is 120040340304377. The next prime is 120040340304383. The reversal of 120040340304378 is 873403043040021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (120040340304377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769489360848 + ... + 769489361003.

It is an arithmetic number, because the mean of its divisors is an integer number (16159276579446).

Almost surely, 2^{120040340304378} is an apocalyptic number.

120040340304378 is an abundant number, since it is smaller than the sum of its proper divisors (138508084966758).

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

120040340304378 is a wasteful number, since it uses less digits than its factorization.

120040340304378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538978721869.

The product of its (nonzero) digits is 193536, while the sum is 39.

Adding to 120040340304378 its reverse (873403043040021), we get a palindrome (993443383344399).

The spelling of 120040340304378 in words is "one hundred twenty trillion, forty billion, three hundred forty million, three hundred four thousand, three hundred seventy-eight".