2640626202 has 8 divisors (see below), whose sum is σ = 5281252416. Its totient is φ = 880208732.

The previous prime is 2640626189. The next prime is 2640626207. The reversal of 2640626202 is 2026260462.

It is a sphenic number, since it is the product of 3 distinct primes.

2640626202 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2640626202.

It is not an unprimeable number, because it can be changed into a prime (2640626207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220052178 + ... + 220052189.

It is an arithmetic number, because the mean of its divisors is an integer number (660156552).

Almost surely, 2^2640626202 is an apocalyptic number.

2640626202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2640626202 is a wasteful number, since it uses less digits than its factorization.

2640626202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440104372.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 2640626202 is about 51387.0236732971. The cubic root of 2640626202 is about 1382.1939131424.

Adding to 2640626202 its reverse (2026260462), we get a palindrome (4666886664).

The spelling of 2640626202 in words is "two billion, six hundred forty million, six hundred twenty-six thousand, two hundred two".