2851623552 has 64 divisors (see below), whose sum is σ = 7681383360. Its totient is φ = 937144320.

The previous prime is 2851623497. The next prime is 2851623553. The reversal of 2851623552 is 2553261582.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 2851623552.

It is not an unprimeable number, because it can be changed into a prime (2851623553) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25033 + ... + 79560.

It is an arithmetic number, because the mean of its divisors is an integer number (120021615).

Almost surely, 2^2851623552 is an apocalyptic number.

It is an amenable number.

2851623552 is an abundant number, since it is smaller than the sum of its proper divisors (4829759808).

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

2851623552 is a wasteful number, since it uses less digits than its factorization.

2851623552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104681 (or 104669 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 2851623552 is about 53400.5950528643. The cubic root of 2851623552 is about 1418.0691126977.

The spelling of 2851623552 in words is "two billion, eight hundred fifty-one million, six hundred twenty-three thousand, five hundred fifty-two".