2640300 has 72 divisors (see below), whose sum is σ = 8239056. Its totient is φ = 648960.

The previous prime is 2640299. The next prime is 2640317. The reversal of 2640300 is 30462.

2640300 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 2640300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3562 + ... + 4238.

2^2640300 is an apocalyptic number.

2640300 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 2640300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4119528).

2640300 is an abundant number, since it is smaller than the sum of its proper divisors (5598756).

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

2640300 is a wasteful number, since it uses less digits than its factorization.

2640300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2640300 is about 1624.8999969229. The cubic root of 2640300 is about 138.2136995710.

Adding to 2640300 its reverse (30462), we get a palindrome (2670762).

The spelling of 2640300 in words is "two million, six hundred forty thousand, three hundred".