340040133213440 has 144 divisors (see below), whose sum is σ = 889731233508096. Its totient is φ = 123486305280000.

The previous prime is 340040133213377. The next prime is 340040133213467. The reversal of 340040133213440 is 44312331040043.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 340040133213397 and 340040133213406.

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, 5504867 + ... + 26653026.

It is an arithmetic number, because the mean of its divisors is an integer number (6178689121584).

Almost surely, 2^{340040133213440} is an apocalyptic number.

It is an amenable number.

340040133213440 is an abundant number, since it is smaller than the sum of its proper divisors (549691100294656).

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

340040133213440 is a wasteful number, since it uses less digits than its factorization.

340040133213440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32158676 (or 32158662 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 340040133213440 its reverse (44312331040043), we get a palindrome (384352464253483).

The spelling of 340040133213440 in words is "three hundred forty trillion, forty billion, one hundred thirty-three million, two hundred thirteen thousand, four hundred forty".