80140742347342 has 4 divisors (see below), whose sum is σ = 120211113521016. Its totient is φ = 40070371173670.

The previous prime is 80140742347271. The next prime is 80140742347411. The reversal of 80140742347342 is 24374324704108.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20035185586834 + ... + 20035185586837.

It is an arithmetic number, because the mean of its divisors is an integer number (30052778380254).

Almost surely, 2^{80140742347342} is an apocalyptic number.

80140742347342 is a deficient number, since it is larger than the sum of its proper divisors (40070371173674).

80140742347342 is a wasteful number, since it uses less digits than its factorization.

80140742347342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40070371173673.

The product of its (nonzero) digits is 3612672, while the sum is 49.

The spelling of 80140742347342 in words is "eighty trillion, one hundred forty billion, seven hundred forty-two million, three hundred forty-seven thousand, three hundred forty-two".