80002640080 has 40 divisors (see below), whose sum is σ = 202915789344. Its totient is φ = 29091868800.

The previous prime is 80002640077. The next prime is 80002640087. The reversal of 80002640080 is 8004620008.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80002640087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45455166 + ... + 45456925.

Almost surely, 2^80002640080 is an apocalyptic number.

80002640080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80002640080 is an abundant number, since it is smaller than the sum of its proper divisors (122913149264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80002640080 is a wasteful number, since it uses less digits than its factorization.

80002640080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90912115 (or 90912109 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The spelling of 80002640080 in words is "eighty billion, two million, six hundred forty thousand, eighty".