2820641626 has 8 divisors (see below), whose sum is σ = 4615595424. Its totient is φ = 1282109820.

The previous prime is 2820641623. The next prime is 2820641693. The reversal of 2820641626 is 6261460282.

2820641626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (2820641623) 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, 64105470 + ... + 64105513.

It is an arithmetic number, because the mean of its divisors is an integer number (576949428).

Almost surely, 2^2820641626 is an apocalyptic number.

2820641626 is a deficient number, since it is larger than the sum of its proper divisors (1794953798).

2820641626 is a wasteful number, since it uses less digits than its factorization.

2820641626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128210996.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 2820641626 is about 53109.7131041018. The cubic root of 2820641626 is about 1412.9147868535.

It can be divided in two parts, 2820 and 641626, that added together give a palindrome (644446).

The spelling of 2820641626 in words is "two billion, eight hundred twenty million, six hundred forty-one thousand, six hundred twenty-six".