1802427868 has 24 divisors (see below), whose sum is σ = 3209117184. Its totient is φ = 885620400.

The previous prime is 1802427853. The next prime is 1802427871. The reversal of 1802427868 is 8687242081.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78121 + ... + 98527.

It is an arithmetic number, because the mean of its divisors is an integer number (133713216).

Almost surely, 2^1802427868 is an apocalyptic number.

It is an amenable number.

1802427868 is a deficient number, since it is larger than the sum of its proper divisors (1406689316).

1802427868 is a wasteful number, since it uses less digits than its factorization.

1802427868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20793 (or 20791 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 46.

The square root of 1802427868 is about 42455.0099281581. The cubic root of 1802427868 is about 1216.9870713126.

The spelling of 1802427868 in words is "one billion, eight hundred two million, four hundred twenty-seven thousand, eight hundred sixty-eight".