213400242224 has 40 divisors (see below), whose sum is σ = 468702969840. Its totient is φ = 93308606208.

The previous prime is 213400242217. The next prime is 213400242287. The reversal of 213400242224 is 422242004312.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 213400242193 and 213400242202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26995067 + ... + 27002970.

It is an arithmetic number, because the mean of its divisors is an integer number (11717574246).

Almost surely, 2^213400242224 is an apocalyptic number.

It is an amenable number.

213400242224 is an abundant number, since it is smaller than the sum of its proper divisors (255302727616).

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

213400242224 is a wasteful number, since it uses less digits than its factorization.

213400242224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53998077 (or 53998071 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 213400242224 its reverse (422242004312), we get a palindrome (635642246536).

The spelling of 213400242224 in words is "two hundred thirteen billion, four hundred million, two hundred forty-two thousand, two hundred twenty-four".