1808082268 has 6 divisors (see below), whose sum is σ = 3164143976. Its totient is φ = 904041132.

The previous prime is 1808082257. The next prime is 1808082271. The reversal of 1808082268 is 8622808081.

It is a happy number.

It is a super-2 number, since 2×1808082268² = 6538322975712047648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226010280 + ... + 226010287.

Almost surely, 2^1808082268 is an apocalyptic number.

It is an amenable number.

1808082268 is a deficient number, since it is larger than the sum of its proper divisors (1356061708).

1808082268 is a wasteful number, since it uses less digits than its factorization.

1808082268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452020571 (or 452020569 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 43.

The square root of 1808082268 is about 42521.5506302393. The cubic root of 1808082268 is about 1218.2583470401.

The spelling of 1808082268 in words is "one billion, eight hundred eight million, eighty-two thousand, two hundred sixty-eight".