140440310001 has 8 divisors (see below), whose sum is σ = 208059718560. Its totient is φ = 93626873316.

The previous prime is 140440309987. The next prime is 140440310009. The reversal of 140440310001 is 100013044041.

It is not a de Polignac number, because 140440310001 - 2²³ = 140431921393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140440310009) 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, 2600746455 + ... + 2600746508.

It is an arithmetic number, because the mean of its divisors is an integer number (26007464820).

Almost surely, 2^140440310001 is an apocalyptic number.

It is an amenable number.

140440310001 is a deficient number, since it is larger than the sum of its proper divisors (67619408559).

140440310001 is an equidigital number, since it uses as much as digits as its factorization.

140440310001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5201492972 (or 5201492966 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 140440310001 its reverse (100013044041), we get a palindrome (240453354042).

The spelling of 140440310001 in words is "one hundred forty billion, four hundred forty million, three hundred ten thousand, one".