80460640426 has 8 divisors (see below), whose sum is σ = 120727532484. Its totient is φ = 40218129600.

The previous prime is 80460640397. The next prime is 80460640439. The reversal of 80460640426 is 62404606408.

It can be written as a sum of positive squares in 2 ways, for example, as 70689515625 + 9771124801 = 265875^2 + 98849^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×80460640426² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6087055 + ... + 6100258.

Almost surely, 2^80460640426 is an apocalyptic number.

80460640426 is a deficient number, since it is larger than the sum of its proper divisors (40266892058).

80460640426 is a wasteful number, since it uses less digits than its factorization.

80460640426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12190616.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 80460640426 in words is "eighty billion, four hundred sixty million, six hundred forty thousand, four hundred twenty-six".