2853651680 has 192 divisors, whose sum is σ = 7659380736. Its totient is φ = 995328000.

The previous prime is 2853651673. The next prime is 2853651709. The reversal of 2853651680 is 861563582.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

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 31 ways as a sum of consecutive naturals, for example, 10529945 + ... + 10530215.

It is an arithmetic number, because the mean of its divisors is an integer number (39892608).

Almost surely, 2^2853651680 is an apocalyptic number.

2853651680 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 2853651680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3829690368).

2853651680 is an abundant number, since it is smaller than the sum of its proper divisors (4805729056).

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

2853651680 is a wasteful number, since it uses less digits than its factorization.

2853651680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 2853651680 is about 53419.5814285361. The cubic root of 2853651680 is about 1418.4052187864.

The spelling of 2853651680 in words is "two billion, eight hundred fifty-three million, six hundred fifty-one thousand, six hundred eighty".