2620040200 has 48 divisors (see below), whose sum is σ = 6109826580. Its totient is φ = 1044879360.

The previous prime is 2620040191. The next prime is 2620040201. The reversal of 2620040200 is 20400262.

It can be written as a sum of positive squares in 6 ways, for example, as 1545905124 + 1074135076 = 39318^2 + 32774^2 .

It is a super-2 number, since 2×2620040200² = 13729221299232080000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2620040201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47964 + ... + 86836.

Almost surely, 2^2620040200 is an apocalyptic number.

2620040200 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 2620040200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3054913290).

2620040200 is an abundant number, since it is smaller than the sum of its proper divisors (3489786380).

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

2620040200 is a wasteful number, since it uses less digits than its factorization.

2620040200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39226 (or 39217 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2620040200 is about 51186.3282527669. The cubic root of 2620040200 is about 1378.5927333076.

Adding to 2620040200 its reverse (20400262), we get a palindrome (2640440462).

The spelling of 2620040200 in words is "two billion, six hundred twenty million, forty thousand, two hundred".