2804552640 has 448 divisors, whose sum is σ = 10526085120. Its totient is φ = 701706240.

The previous prime is 2804552629. The next prime is 2804552657. The reversal of 2804552640 is 462554082.

It is a happy number.

2804552640 is a `hidden beast` number, since 2 + 8 + 0 + 4 + 5 + 5 + 2 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2804552595 and 2804552604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9909939 + ... + 9910221.

Almost surely, 2^2804552640 is an apocalyptic number.

2804552640 is a gapful number since it is divisible by the number (20) 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 2804552640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5263042560).

2804552640 is an abundant number, since it is smaller than the sum of its proper divisors (7721532480).

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

2804552640 is a wasteful number, since it uses less digits than its factorization.

2804552640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 2804552640 is about 52958.0271535865. The cubic root of 2804552640 is about 1410.2232331028.

The spelling of 2804552640 in words is "two billion, eight hundred four million, five hundred fifty-two thousand, six hundred forty".