80181367438 has 8 divisors (see below), whose sum is σ = 120293231688. Its totient is φ = 40083623544.

The previous prime is 80181367421. The next prime is 80181367447. The reversal of 80181367438 is 83476318108.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 80181367391 and 80181367400.

It is a congruent number.

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, 3515881 + ... + 3538612.

It is an arithmetic number, because the mean of its divisors is an integer number (15036653961).

Almost surely, 2^80181367438 is an apocalyptic number.

80181367438 is a deficient number, since it is larger than the sum of its proper divisors (40111864250).

80181367438 is a wasteful number, since it uses less digits than its factorization.

80181367438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7060178.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 80181367438 in words is "eighty billion, one hundred eighty-one million, three hundred sixty-seven thousand, four hundred thirty-eight".