140440313323442 has 16 divisors (see below), whose sum is σ = 232393572612000. Its totient is φ = 63119241942240.

The previous prime is 140440313323423. The next prime is 140440313323451. The reversal of 140440313323442 is 244323313044041.

It is a junction number, because it is equal to n+sod(n) for n = 140440313323396 and 140440313323405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35863203692 + ... + 35863207607.

It is an arithmetic number, because the mean of its divisors is an integer number (14524598288250).

Almost surely, 2^{140440313323442} is an apocalyptic number.

140440313323442 is a deficient number, since it is larger than the sum of its proper divisors (91953259288558).

140440313323442 is a wasteful number, since it uses less digits than its factorization.

140440313323442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71726411401.

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 140440313323442 its reverse (244323313044041), we get a palindrome (384763626367483).

The spelling of 140440313323442 in words is "one hundred forty trillion, four hundred forty billion, three hundred thirteen million, three hundred twenty-three thousand, four hundred forty-two".