340520020540001 has 8 divisors (see below), whose sum is σ = 343302798503808. Its totient is φ = 337740021190000.

The previous prime is 340520020539989. The next prime is 340520020540079. The reversal of 340520020540001 is 100045020025043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340520020540001 - 2¹⁰ = 340520020538977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340520020500001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694407350 + ... + 694897551.

It is an arithmetic number, because the mean of its divisors is an integer number (42912849812976).

Almost surely, 2^{340520020540001} is an apocalyptic number.

It is an amenable number.

340520020540001 is a deficient number, since it is larger than the sum of its proper divisors (2782777963807).

340520020540001 is a wasteful number, since it uses less digits than its factorization.

340520020540001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389306903.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 340520020540001 its reverse (100045020025043), we get a palindrome (440565040565044).

The spelling of 340520020540001 in words is "three hundred forty trillion, five hundred twenty billion, twenty million, five hundred forty thousand, one".