140462320220 has 24 divisors (see below), whose sum is σ = 296849674464. Its totient is φ = 55827061056.

The previous prime is 140462320217. The next prime is 140462320277. The reversal of 140462320220 is 22023264041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 140462320220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22363472 + ... + 22369751.

It is an arithmetic number, because the mean of its divisors is an integer number (12368736436).

Almost surely, 2^140462320220 is an apocalyptic number.

140462320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140462320220 is an abundant number, since it is smaller than the sum of its proper divisors (156387354244).

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

140462320220 is a wasteful number, since it uses less digits than its factorization.

140462320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44733389 (or 44733387 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 140462320220 its reverse (22023264041), we get a palindrome (162485584261).

The spelling of 140462320220 in words is "one hundred forty billion, four hundred sixty-two million, three hundred twenty thousand, two hundred twenty".