214042221232440 has 32 divisors (see below), whose sum is σ = 642126663697680. Its totient is φ = 57077925661952.

The previous prime is 214042221232429. The next prime is 214042221232447. The reversal of 214042221232440 is 44232122240412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214042221232447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891842588349 + ... + 891842588588.

Almost surely, 2^{214042221232440} is an apocalyptic number.

214042221232440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214042221232440 is an abundant number, since it is smaller than the sum of its proper divisors (428084442465240).

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

214042221232440 is a wasteful number, since it uses less digits than its factorization.

214042221232440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783685176951 (or 1783685176947 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 214042221232440 its reverse (44232122240412), we get a palindrome (258274343472852).

The spelling of 214042221232440 in words is "two hundred fourteen trillion, forty-two billion, two hundred twenty-one million, two hundred thirty-two thousand, four hundred forty".