1836420448 has 24 divisors (see below), whose sum is σ = 3616409160. Its totient is φ = 917967360.

The previous prime is 1836420419. The next prime is 1836420451. The reversal of 1836420448 is 8440246381.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1836420448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223843 + ... + 231901.

It is an arithmetic number, because the mean of its divisors is an integer number (150683715).

Almost surely, 2^1836420448 is an apocalyptic number.

It is an amenable number.

1836420448 is a deficient number, since it is larger than the sum of its proper divisors (1779988712).

1836420448 is an equidigital number, since it uses as much as digits as its factorization.

1836420448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15190 (or 15182 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 1836420448 is about 42853.4764984126. The cubic root of 1836420448 is about 1224.5899942322.

The spelling of 1836420448 in words is "one billion, eight hundred thirty-six million, four hundred twenty thousand, four hundred forty-eight".