340220334453 has 16 divisors (see below), whose sum is σ = 454111971840. Its totient is φ = 226571212784.

The previous prime is 340220334451. The next prime is 340220334479. The reversal of 340220334453 is 354433022043.

It is a cyclic number.

It is not a de Polignac number, because 340220334453 - 2¹ = 340220334451 is a prime.

It is a super-2 number, since 2×340220334453² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340220334451) 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, 26869438 + ... + 26882096.

It is an arithmetic number, because the mean of its divisors is an integer number (28381998240).

Almost surely, 2^340220334453 is an apocalyptic number.

It is an amenable number.

340220334453 is a deficient number, since it is larger than the sum of its proper divisors (113891637387).

340220334453 is a wasteful number, since it uses less digits than its factorization.

340220334453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21528.

The product of its (nonzero) digits is 103680, while the sum is 33.

Adding to 340220334453 its reverse (354433022043), we get a palindrome (694653356496).

The spelling of 340220334453 in words is "three hundred forty billion, two hundred twenty million, three hundred thirty-four thousand, four hundred fifty-three".