1804425856 has 32 divisors (see below), whose sum is σ = 3678364800. Its totient is φ = 881228544.

The previous prime is 1804425841. The next prime is 1804425929. The reversal of 1804425856 is 6585244081.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (43).

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, 158416 + ... + 169423.

It is an arithmetic number, because the mean of its divisors is an integer number (114948900).

Almost surely, 2^1804425856 is an apocalyptic number.

1804425856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1804425856 is an abundant number, since it is smaller than the sum of its proper divisors (1873938944).

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

1804425856 is an equidigital number, since it uses as much as digits as its factorization.

1804425856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327896 (or 327884 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 43.

The square root of 1804425856 is about 42478.5340613350. The cubic root of 1804425856 is about 1217.4365812418.

It can be divided in two parts, 18044 and 25856, that multiplied together give a palindrome (466545664).

The spelling of 1804425856 in words is "one billion, eight hundred four million, four hundred twenty-five thousand, eight hundred fifty-six".