2621440010 has 64 divisors (see below), whose sum is σ = 5550577920. Its totient is φ = 872570880.

The previous prime is 2621440009. The next prime is 2621440027. The reversal of 2621440010 is 100441262.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1659401 + ... + 1660979.

It is an arithmetic number, because the mean of its divisors is an integer number (86727780).

Almost surely, 2^2621440010 is an apocalyptic number.

2621440010 is an abundant number, since it is smaller than the sum of its proper divisors (2929137910).

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

2621440010 is a wasteful number, since it uses less digits than its factorization.

2621440010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2621440010 is about 51200.0000976562. Note that the first 4 decimals coincide. The cubic root of 2621440010 is about 1378.8382033737.

Adding to 2621440010 its reverse (100441262), we get a palindrome (2721881272).

The spelling of 2621440010 in words is "two billion, six hundred twenty-one million, four hundred forty thousand, ten".