140300342450 has 24 divisors (see below), whose sum is σ = 274693303920. Its totient is φ = 53166445200.

The previous prime is 140300342449. The next prime is 140300342453. The reversal of 140300342450 is 54243003041.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140300342453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73841336 + ... + 73843235.

It is an arithmetic number, because the mean of its divisors is an integer number (11445554330).

Almost surely, 2^140300342450 is an apocalyptic number.

140300342450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140300342450 is a deficient number, since it is larger than the sum of its proper divisors (134392961470).

140300342450 is a wasteful number, since it uses less digits than its factorization.

140300342450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147684602 (or 147684597 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 140300342450 its reverse (54243003041), we get a palindrome (194543345491).

The spelling of 140300342450 in words is "one hundred forty billion, three hundred million, three hundred forty-two thousand, four hundred fifty".