213014230440 has 128 divisors (see below), whose sum is σ = 727447910400. Its totient is φ = 49394597120.

The previous prime is 213014230411. The next prime is 213014230447. The reversal of 213014230440 is 44032410312.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 213014230440.

It is not an unprimeable number, because it can be changed into a prime (213014230447) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3477780 + ... + 3538499.

It is an arithmetic number, because the mean of its divisors is an integer number (5683186800).

Almost surely, 2^213014230440 is an apocalyptic number.

213014230440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213014230440 is an abundant number, since it is smaller than the sum of its proper divisors (514433679960).

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

213014230440 is a wasteful number, since it uses less digits than its factorization.

213014230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7016327 (or 7016323 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 213014230440 its reverse (44032410312), we get a palindrome (257046640752).

The spelling of 213014230440 in words is "two hundred thirteen billion, fourteen million, two hundred thirty thousand, four hundred forty".