340111513240 has 64 divisors (see below), whose sum is σ = 806211468000. Its totient is φ = 128774891520.

The previous prime is 340111513229. The next prime is 340111513267. The reversal of 340111513240 is 42315111043.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 708096 + ... + 1087024.

Almost surely, 2^340111513240 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 340111513240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403105734000).

340111513240 is an abundant number, since it is smaller than the sum of its proper divisors (466099954760).

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

340111513240 is a wasteful number, since it uses less digits than its factorization.

340111513240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380140 (or 380136 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 340111513240 its reverse (42315111043), we get a palindrome (382426624283).

The spelling of 340111513240 in words is "three hundred forty billion, one hundred eleven million, five hundred thirteen thousand, two hundred forty".