80382451826 has 8 divisors (see below), whose sum is σ = 123832425900. Its totient is φ = 39104976528.

The previous prime is 80382451817. The next prime is 80382451847. The reversal of 80382451826 is 62815428308.

It can be written as a sum of positive squares in 2 ways, for example, as 66848619601 + 13533832225 = 258551^2 + 116335^2 .

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

It is a super-2 number, since 2×80382451826² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

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, 543124601 + ... + 543124748.

Almost surely, 2^80382451826 is an apocalyptic number.

80382451826 is a deficient number, since it is larger than the sum of its proper divisors (43449974074).

80382451826 is a wasteful number, since it uses less digits than its factorization.

80382451826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086249388.

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 80382451826 in words is "eighty billion, three hundred eighty-two million, four hundred fifty-one thousand, eight hundred twenty-six".