1808141427 has 16 divisors (see below), whose sum is σ = 2688272160. Its totient is φ = 1201132800.

The previous prime is 1808141411. The next prime is 1808141449. The reversal of 1808141427 is 7241418081.

It is not a de Polignac number, because 1808141427 - 2⁴ = 1808141411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1808141391 and 1808141400.

It is not an unprimeable number, because it can be changed into a prime (1808140427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111574 + ... + 126747.

It is an arithmetic number, because the mean of its divisors is an integer number (168017010).

Almost surely, 2^1808141427 is an apocalyptic number.

1808141427 is a deficient number, since it is larger than the sum of its proper divisors (880130733).

1808141427 is a wasteful number, since it uses less digits than its factorization.

1808141427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238611 (or 238605 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 1808141427 is about 42522.2462600460. The cubic root of 1808141427 is about 1218.2716337069.

The spelling of 1808141427 in words is "one billion, eight hundred eight million, one hundred forty-one thousand, four hundred twenty-seven".