2400212000421 has 24 divisors (see below), whose sum is σ = 3586917653280. Its totient is φ = 1544794334496.

The previous prime is 2400212000393. The next prime is 2400212000443. The reversal of 2400212000421 is 1240002120042.

2400212000421 is a `hidden beast` number, since 2 + 40 + 0 + 2 + 1 + 200 + 0 + 421 = 666.

It is not a de Polignac number, because 2400212000421 - 2¹⁹ = 2400211476133 is a prime.

It is a super-2 number, since 2×2400212000421² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2400212000394 and 2400212000403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400212000321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1897306 + ... + 2898308.

It is an arithmetic number, because the mean of its divisors is an integer number (149454902220).

Almost surely, 2^{2400212000421} is an apocalyptic number.

It is an amenable number.

2400212000421 is a deficient number, since it is larger than the sum of its proper divisors (1186705652859).

2400212000421 is a wasteful number, since it uses less digits than its factorization.

2400212000421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010225 (or 1010222 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2400212000421 its reverse (1240002120042), we get a palindrome (3640214120463).

The spelling of 2400212000421 in words is "two trillion, four hundred billion, two hundred twelve million, four hundred twenty-one", and thus it is an aban number.