1808490012748 has 36 divisors (see below), whose sum is σ = 3299183992440. Its totient is φ = 867331570560.

The previous prime is 1808490012731. The next prime is 1808490012757. The reversal of 1808490012748 is 8472100948081.

It is a super-2 number, since 2×1808490012748² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1808490012695 and 1808490012704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1647358 + ... + 2516101.

It is an arithmetic number, because the mean of its divisors is an integer number (91643999790).

Almost surely, 2^{1808490012748} is an apocalyptic number.

It is an amenable number.

1808490012748 is a deficient number, since it is larger than the sum of its proper divisors (1490693979692).

1808490012748 is a wasteful number, since it uses less digits than its factorization.

1808490012748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163638 (or 4163605 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 52.

The spelling of 1808490012748 in words is "one trillion, eight hundred eight billion, four hundred ninety million, twelve thousand, seven hundred forty-eight".