140440113442420 has 24 divisors (see below), whose sum is σ = 321735532614048. Its totient is φ = 51069132160800.

The previous prime is 140440113442357. The next prime is 140440113442451. The reversal of 140440113442420 is 24244311044041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319182075786 + ... + 319182076225.

It is an arithmetic number, because the mean of its divisors is an integer number (13405647192252).

Almost surely, 2^{140440113442420} is an apocalyptic number.

140440113442420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140440113442420 is an abundant number, since it is smaller than the sum of its proper divisors (181295419171628).

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

140440113442420 is a wasteful number, since it uses less digits than its factorization.

140440113442420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638364152031 (or 638364152029 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 140440113442420 its reverse (24244311044041), we get a palindrome (164684424486461).

The spelling of 140440113442420 in words is "one hundred forty trillion, four hundred forty billion, one hundred thirteen million, four hundred forty-two thousand, four hundred twenty".