2648531700 has 108 divisors (see below), whose sum is σ = 8382567648. Its totient is φ = 699393600.

The previous prime is 2648531693. The next prime is 2648531701. The reversal of 2648531700 is 71358462.

2648531700 is a `hidden beast` number, since 2 + 6 + 485 + 3 + 170 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648531701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 78415 + ... + 106985.

Almost surely, 2^2648531700 is an apocalyptic number.

2648531700 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 2648531700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4191283824).

2648531700 is an abundant number, since it is smaller than the sum of its proper divisors (5734035948).

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

2648531700 is a wasteful number, since it uses less digits than its factorization.

2648531700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28694 (or 28684 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2648531700 is about 51463.8873385989. The cubic root of 2648531700 is about 1383.5718748005.

It can be divided in two parts, 26485 and 31700, that added together give a palindrome (58185).

The spelling of 2648531700 in words is "two billion, six hundred forty-eight million, five hundred thirty-one thousand, seven hundred".