80404840426 has 16 divisors (see below), whose sum is σ = 120922528320. Its totient is φ = 40097393280.

The previous prime is 80404840423. The next prime is 80404840459. The reversal of 80404840426 is 62404840408.

It is a super-2 number, since 2×80404840426² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80404840423) 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 7 ways as a sum of consecutive naturals, for example, 2924986 + ... + 2952346.

It is an arithmetic number, because the mean of its divisors is an integer number (7557658020).

Almost surely, 2^80404840426 is an apocalyptic number.

80404840426 is a deficient number, since it is larger than the sum of its proper divisors (40517687894).

80404840426 is a wasteful number, since it uses less digits than its factorization.

80404840426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31149.

The product of its (nonzero) digits is 196608, while the sum is 40.

The spelling of 80404840426 in words is "eighty billion, four hundred four million, eight hundred forty thousand, four hundred twenty-six".