140223040442 has 8 divisors (see below), whose sum is σ = 210517304832. Its totient is φ = 70050605500.

The previous prime is 140223040393. The next prime is 140223040469. The reversal of 140223040442 is 244040322041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30454484 + ... + 30459087.

It is an arithmetic number, because the mean of its divisors is an integer number (26314663104).

Almost surely, 2^140223040442 is an apocalyptic number.

140223040442 is a deficient number, since it is larger than the sum of its proper divisors (70294264390).

140223040442 is a wasteful number, since it uses less digits than its factorization.

140223040442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60914724.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 140223040442 its reverse (244040322041), we get a palindrome (384263362483).

The spelling of 140223040442 in words is "one hundred forty billion, two hundred twenty-three million, forty thousand, four hundred forty-two".