2445624664 has 16 divisors (see below), whose sum is σ = 5240624400. Its totient is φ = 1048124832.

The previous prime is 2445624617. The next prime is 2445624667. The reversal of 2445624664 is 4664265442.

It is a super-2 number, since 2×2445624664² = 11962159994330225792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2445624664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445624667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21835879 + ... + 21835990.

It is an arithmetic number, because the mean of its divisors is an integer number (327539025).

Almost surely, 2^2445624664 is an apocalyptic number.

It is an amenable number.

2445624664 is an abundant number, since it is smaller than the sum of its proper divisors (2794999736).

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

2445624664 is a wasteful number, since it uses less digits than its factorization.

2445624664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43671882 (or 43671878 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 43.

The square root of 2445624664 is about 49453.2573649097. The cubic root of 2445624664 is about 1347.2967697422.

The spelling of 2445624664 in words is "two billion, four hundred forty-five million, six hundred twenty-four thousand, six hundred sixty-four".