2400400212244 has 24 divisors (see below), whose sum is σ = 4541297704160. Its totient is φ = 1106301092256.

The previous prime is 2400400212193. The next prime is 2400400212307. The reversal of 2400400212244 is 4422120040042.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426810882 + ... + 426816505.

Almost surely, 2^{2400400212244} is an apocalyptic number.

It is an amenable number.

2400400212244 is a deficient number, since it is larger than the sum of its proper divisors (2140897491916).

2400400212244 is a wasteful number, since it uses less digits than its factorization.

2400400212244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853627447 (or 853627445 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 2400400212244 its reverse (4422120040042), we get a palindrome (6822520252286).

The spelling of 2400400212244 in words is "two trillion, four hundred billion, four hundred million, two hundred twelve thousand, two hundred forty-four".