1804857264 has 240 divisors, whose sum is σ = 5936673600. Its totient is φ = 501258240.

The previous prime is 1804857233. The next prime is 1804857281. The reversal of 1804857264 is 4627584081.

1804857264 is a `hidden beast` number, since 18 + 0 + 4 + 8 + 572 + 64 = 666.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 9161614 + ... + 9161810.

It is an arithmetic number, because the mean of its divisors is an integer number (24736140).

Almost surely, 2^1804857264 is an apocalyptic number.

1804857264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1804857264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2968336800).

1804857264 is an abundant number, since it is smaller than the sum of its proper divisors (4131816336).

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

1804857264 is a wasteful number, since it uses less digits than its factorization.

1804857264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 1804857264 is about 42483.6117108703. The cubic root of 1804857264 is about 1217.5335964093.

The spelling of 1804857264 in words is "one billion, eight hundred four million, eight hundred fifty-seven thousand, two hundred sixty-four".