214312312440 has 48 divisors (see below), whose sum is σ = 696515016600. Its totient is φ = 57149949888.

The previous prime is 214312312439. The next prime is 214312312441. The reversal of 214312312440 is 44213213412.

214312312440 is a `hidden beast` number, since 214 + 3 + 1 + 2 + 3 + 1 + 2 + 440 = 666.

It is an interprime number because it is at equal distance from previous prime (214312312439) and next prime (214312312441).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214312312441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297655630 + ... + 297656349.

Almost surely, 2^214312312440 is an apocalyptic number.

214312312440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214312312440 is an abundant number, since it is smaller than the sum of its proper divisors (482202704160).

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

214312312440 is a wasteful number, since it uses less digits than its factorization.

214312312440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595311996 (or 595311989 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 214312312440 its reverse (44213213412), we get a palindrome (258525525852).

The spelling of 214312312440 in words is "two hundred fourteen billion, three hundred twelve million, three hundred twelve thousand, four hundred forty".