140123533244550 has 48 divisors (see below), whose sum is σ = 359489340473040. Its totient is φ = 36077783271040.

The previous prime is 140123533244549. The next prime is 140123533244731. The reversal of 140123533244550 is 55442335321041.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16106148897 + ... + 16106157596.

It is an arithmetic number, because the mean of its divisors is an integer number (7489361259855).

Almost surely, 2^{140123533244550} is an apocalyptic number.

140123533244550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140123533244550 is an abundant number, since it is smaller than the sum of its proper divisors (219365807228490).

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

140123533244550 is a wasteful number, since it uses less digits than its factorization.

140123533244550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32212306537 (or 32212306532 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 140123533244550 its reverse (55442335321041), we get a palindrome (195565868565591).

The spelling of 140123533244550 in words is "one hundred forty trillion, one hundred twenty-three billion, five hundred thirty-three million, two hundred forty-four thousand, five hundred fifty".