340534321053 has 16 divisors (see below), whose sum is σ = 460585180800. Its totient is φ = 223755176960.

The previous prime is 340534321021. The next prime is 340534321079. The reversal of 340534321053 is 350123435043.

It is a cyclic number.

It is not a de Polignac number, because 340534321053 - 2⁵ = 340534321021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340534329053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434413 + ... + 932621.

It is an arithmetic number, because the mean of its divisors is an integer number (28786573800).

Almost surely, 2^340534321053 is an apocalyptic number.

It is an amenable number.

340534321053 is a deficient number, since it is larger than the sum of its proper divisors (120050859747).

340534321053 is a wasteful number, since it uses less digits than its factorization.

340534321053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501492.

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 340534321053 its reverse (350123435043), we get a palindrome (690657756096).

The spelling of 340534321053 in words is "three hundred forty billion, five hundred thirty-four million, three hundred twenty-one thousand, fifty-three".