140244126442 has 32 divisors (see below), whose sum is σ = 240951052800. Its totient is φ = 59971632768.

The previous prime is 140244126431. The next prime is 140244126457. The reversal of 140244126442 is 244621442041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 140244126398 and 140244126407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14119734 + ... + 14129662.

It is an arithmetic number, because the mean of its divisors is an integer number (7529720400).

Almost surely, 2^140244126442 is an apocalyptic number.

140244126442 is a deficient number, since it is larger than the sum of its proper divisors (100706926358).

140244126442 is a wasteful number, since it uses less digits than its factorization.

140244126442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12070.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 140244126442 its reverse (244621442041), we get a palindrome (384865568483).

The spelling of 140244126442 in words is "one hundred forty billion, two hundred forty-four million, one hundred twenty-six thousand, four hundred forty-two".