214134212440 has 64 divisors (see below), whose sum is σ = 514493856000. Its totient is φ = 80032350720.

The previous prime is 214134212437. The next prime is 214134212477. The reversal of 214134212440 is 44212431412.

It is a junction number, because it is equal to n+sod(n) for n = 214134212399 and 214134212408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2941435 + ... + 3013354.

It is an arithmetic number, because the mean of its divisors is an integer number (8038966500).

Almost surely, 2^214134212440 is an apocalyptic number.

214134212440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214134212440 is an abundant number, since it is smaller than the sum of its proper divisors (300359643560).

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

214134212440 is a wasteful number, since it uses less digits than its factorization.

214134212440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5954860 (or 5954856 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 214134212440 its reverse (44212431412), we get a palindrome (258346643852).

The spelling of 214134212440 in words is "two hundred fourteen billion, one hundred thirty-four million, two hundred twelve thousand, four hundred forty".