80401939005 has 16 divisors (see below), whose sum is σ = 131634803520. Its totient is φ = 41883800448.

The previous prime is 80401939003. The next prime is 80401939061. The reversal of 80401939005 is 50093910408.

It is not a de Polignac number, because 80401939005 - 2¹ = 80401939003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80401939003) 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, 62326440 + ... + 62327729.

It is an arithmetic number, because the mean of its divisors is an integer number (8227175220).

Almost surely, 2^80401939005 is an apocalyptic number.

It is an amenable number.

80401939005 is a deficient number, since it is larger than the sum of its proper divisors (51232864515).

80401939005 is a wasteful number, since it uses less digits than its factorization.

80401939005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124654220.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 80401939005 in words is "eighty billion, four hundred one million, nine hundred thirty-nine thousand, five".