80408440401 has 16 divisors (see below), whose sum is σ = 112890177600. Its totient is φ = 50767976448.

The previous prime is 80408440397. The next prime is 80408440423. The reversal of 80408440401 is 10404480408.

It is a happy number.

It is not a de Polignac number, because 80408440401 - 2² = 80408440397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80408440601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46036 + ... + 403653.

It is an arithmetic number, because the mean of its divisors is an integer number (7055636100).

Almost surely, 2^80408440401 is an apocalyptic number.

It is an amenable number.

80408440401 is a deficient number, since it is larger than the sum of its proper divisors (32481737199).

80408440401 is a wasteful number, since it uses less digits than its factorization.

80408440401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452848.

The product of its (nonzero) digits is 16384, while the sum is 33.

The spelling of 80408440401 in words is "eighty billion, four hundred eight million, four hundred forty thousand, four hundred one".