2685501000 has 512 divisors, whose sum is σ = 11468620800. Its totient is φ = 566092800.

The previous prime is 2685500981. The next prime is 2685501011. The reversal of 2685501000 is 1055862.

2685501000 is a `hidden beast` number, since 2 + 6 + 8 + 550 + 100 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2456454 + ... + 2457546.

It is an arithmetic number, because the mean of its divisors is an integer number (22399650).

Almost surely, 2^2685501000 is an apocalyptic number.

2685501000 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 2685501000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5734310400).

2685501000 is an abundant number, since it is smaller than the sum of its proper divisors (8783119800).

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

2685501000 is a wasteful number, since it uses less digits than its factorization.

2685501000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 2685501000 is about 51821.8197287590. The cubic root of 2685501000 is about 1389.9796418874.

Adding to 2685501000 its reverse (1055862), we get a palindrome (2686556862).

The spelling of 2685501000 in words is "two billion, six hundred eighty-five million, five hundred one thousand".