140440621120 has 112 divisors (see below), whose sum is σ = 341564610240. Its totient is φ = 54981994496.

The previous prime is 140440621063. The next prime is 140440621121. The reversal of 140440621120 is 21126044041.

It is not an unprimeable number, because it can be changed into a prime (140440621121) 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, 7096359 + ... + 7116121.

It is an arithmetic number, because the mean of its divisors is an integer number (3049684020).

Almost surely, 2^140440621120 is an apocalyptic number.

140440621120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140440621120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170782305120).

140440621120 is an abundant number, since it is smaller than the sum of its proper divisors (201123989120).

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

140440621120 is a wasteful number, since it uses less digits than its factorization.

140440621120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20252 (or 20242 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 140440621120 its reverse (21126044041), we get a palindrome (161566665161).

The spelling of 140440621120 in words is "one hundred forty billion, four hundred forty million, six hundred twenty-one thousand, one hundred twenty".