140223421400 has 96 divisors (see below), whose sum is σ = 342618331440. Its totient is φ = 53304168960.

The previous prime is 140223421399. The next prime is 140223421411. The reversal of 140223421400 is 4124322041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97862 + ... + 538538.

Almost surely, 2^140223421400 is an apocalyptic number.

140223421400 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 140223421400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171309165720).

140223421400 is an abundant number, since it is smaller than the sum of its proper divisors (202394910040).

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

140223421400 is a wasteful number, since it uses less digits than its factorization.

140223421400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440773 (or 440764 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 140223421400 its reverse (4124322041), we get a palindrome (144347743441).

The spelling of 140223421400 in words is "one hundred forty billion, two hundred twenty-three million, four hundred twenty-one thousand, four hundred".