2400066444 has 12 divisors (see below), whose sum is σ = 5600155064. Its totient is φ = 800022144.

The previous prime is 2400066439. The next prime is 2400066451. The reversal of 2400066444 is 4446600042.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2400066444² = 11520637871229610272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100002757 + ... + 100002780.

Almost surely, 2^2400066444 is an apocalyptic number.

It is an amenable number.

2400066444 is an abundant number, since it is smaller than the sum of its proper divisors (3200088620).

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

2400066444 is a wasteful number, since it uses less digits than its factorization.

2400066444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200005544 (or 200005542 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 2400066444 is about 48990.4729922053. The cubic root of 2400066444 is about 1338.8782555511.

Adding to 2400066444 its reverse (4446600042), we get a palindrome (6846666486).

The spelling of 2400066444 in words is "two billion, four hundred million, sixty-six thousand, four hundred forty-four".