340214421030440 has 256 divisors, whose sum is σ = 852610481049600. Its totient is φ = 121132991462400.

The previous prime is 340214421030437. The next prime is 340214421030487. The reversal of 340214421030440 is 44030124412043.

It is a junction number, because it is equal to n+sod(n) for n = 340214421030397 and 340214421030406.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39136590734 + ... + 39136599426.

It is an arithmetic number, because the mean of its divisors is an integer number (3330509691600).

Almost surely, 2^{340214421030440} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340214421030440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426305240524800).

340214421030440 is an abundant number, since it is smaller than the sum of its proper divisors (512396060019160).

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

340214421030440 is a wasteful number, since it uses less digits than its factorization.

340214421030440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14608 (or 14604 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 340214421030440 its reverse (44030124412043), we get a palindrome (384244545442483).

The spelling of 340214421030440 in words is "three hundred forty trillion, two hundred fourteen billion, four hundred twenty-one million, thirty thousand, four hundred forty".