140420444334320 has 80 divisors (see below), whose sum is σ = 337045008691200. Its totient is φ = 54350503891200.

The previous prime is 140420444334271. The next prime is 140420444334329. The reversal of 140420444334320 is 23433444024041.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140420444334329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20275031 + ... + 26304329.

It is an arithmetic number, because the mean of its divisors is an integer number (4213062608640).

Almost surely, 2^{140420444334320} is an apocalyptic number.

140420444334320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140420444334320 is an abundant number, since it is smaller than the sum of its proper divisors (196624564356880).

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

140420444334320 is a wasteful number, since it uses less digits than its factorization.

140420444334320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6038734 (or 6038728 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 140420444334320 its reverse (23433444024041), we get a palindrome (163853888358361).

The spelling of 140420444334320 in words is "one hundred forty trillion, four hundred twenty billion, four hundred forty-four million, three hundred thirty-four thousand, three hundred twenty".