140223421044 has 72 divisors (see below), whose sum is σ = 428918712768. Its totient is φ = 37707137280.

The previous prime is 140223420983. The next prime is 140223421069. The reversal of 140223421044 is 440124322041.

140223421044 is a `hidden beast` number, since 1 + 402 + 2 + 3 + 4 + 210 + 44 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 140223420999 and 140223421017.

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, 16361662 + ... + 16370229.

It is an arithmetic number, because the mean of its divisors is an integer number (5957204344).

Almost surely, 2^140223421044 is an apocalyptic number.

140223421044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140223421044 is an abundant number, since it is smaller than the sum of its proper divisors (288695291724).

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

140223421044 is a wasteful number, since it uses less digits than its factorization.

140223421044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32731925 (or 32731920 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 140223421044 its reverse (440124322041), we get a palindrome (580347743085).

The spelling of 140223421044 in words is "one hundred forty billion, two hundred twenty-three million, four hundred twenty-one thousand, forty-four".