80420802408 has 48 divisors (see below), whose sum is σ = 217953103680. Its totient is φ = 26788870944.

The previous prime is 80420802401. The next prime is 80420802431.

80420802408 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (80420802401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268510 + ... + 482637.

It is an arithmetic number, because the mean of its divisors is an integer number (4540689660).

Almost surely, 2^80420802408 is an apocalyptic number.

It is an amenable number.

80420802408 is an abundant number, since it is smaller than the sum of its proper divisors (137532301272).

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

80420802408 is a wasteful number, since it uses less digits than its factorization.

80420802408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752646 (or 752639 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The spelling of 80420802408 in words is "eighty billion, four hundred twenty million, eight hundred two thousand, four hundred eight".