1806012402 has 16 divisors (see below), whose sum is σ = 3709647552. Its totient is φ = 585733680.

The previous prime is 1806012401. The next prime is 1806012413. The reversal of 1806012402 is 2042106081.

It is not an unprimeable number, because it can be changed into a prime (1806012401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4067374 + ... + 4067817.

It is an arithmetic number, because the mean of its divisors is an integer number (231852972).

Almost surely, 2^1806012402 is an apocalyptic number.

1806012402 is an abundant number, since it is smaller than the sum of its proper divisors (1903635150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1806012402 is a wasteful number, since it uses less digits than its factorization.

1806012402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8135233.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1806012402 is about 42497.2046374817. The cubic root of 1806012402 is about 1217.7932881154.

Adding to 1806012402 its reverse (2042106081), we get a palindrome (3848118483).

The spelling of 1806012402 in words is "one billion, eight hundred six million, twelve thousand, four hundred two".