140242166446 has 16 divisors (see below), whose sum is σ = 217633217040. Its totient is φ = 67698117760.

The previous prime is 140242166341. The next prime is 140242166473. The reversal of 140242166446 is 644661242041.

It is a junction number, because it is equal to n+sod(n) for n = 140242166399 and 140242166408.

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, 774870 + ... + 938566.

It is an arithmetic number, because the mean of its divisors is an integer number (13602076065).

Almost surely, 2^140242166446 is an apocalyptic number.

140242166446 is a deficient number, since it is larger than the sum of its proper divisors (77391050594).

140242166446 is a wasteful number, since it uses less digits than its factorization.

140242166446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178499.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 140242166446 in words is "one hundred forty billion, two hundred forty-two million, one hundred sixty-six thousand, four hundred forty-six".