2785863360 has 448 divisors, whose sum is σ = 10711793664. Its totient is φ = 599961600.

The previous prime is 2785863341. The next prime is 2785863371. The reversal of 2785863360 is 633685872.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×2785863360² = 15522069321180979200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 8957605 + ... + 8957915.

Almost surely, 2^2785863360 is an apocalyptic number.

2785863360 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 2785863360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5355896832).

2785863360 is an abundant number, since it is smaller than the sum of its proper divisors (7925930304).

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

2785863360 is a wasteful number, since it uses less digits than its factorization.

2785863360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 2785863360 is about 52781.2784991042. The cubic root of 2785863360 is about 1407.0837164260.

The spelling of 2785863360 in words is "two billion, seven hundred eighty-five million, eight hundred sixty-three thousand, three hundred sixty".