80409393392 has 20 divisors (see below), whose sum is σ = 156239609400. Its totient is φ = 40089494208.

The previous prime is 80409393391. The next prime is 80409393437. The reversal of 80409393392 is 29339390408.

It is a self number, because there is not a number n which added to its sum of digits gives 80409393392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80409393391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7194398 + ... + 7205565.

It is an arithmetic number, because the mean of its divisors is an integer number (7811980470).

Almost surely, 2^80409393392 is an apocalyptic number.

It is an amenable number.

80409393392 is a deficient number, since it is larger than the sum of its proper divisors (75830216008).

80409393392 is a wasteful number, since it uses less digits than its factorization.

80409393392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14400320 (or 14400314 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 50.

The spelling of 80409393392 in words is "eighty billion, four hundred nine million, three hundred ninety-three thousand, three hundred ninety-two".