340215144451 has 16 divisors (see below), whose sum is σ = 419470136064. Its totient is φ = 268703053344.

The previous prime is 340215144439. The next prime is 340215144491. The reversal of 340215144451 is 154441512043.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 340215144451 - 2¹⁵ = 340215111683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340215144491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3269041 + ... + 3371506.

It is an arithmetic number, because the mean of its divisors is an integer number (26216883504).

Almost surely, 2^340215144451 is an apocalyptic number.

340215144451 is a deficient number, since it is larger than the sum of its proper divisors (79254991613).

340215144451 is a wasteful number, since it uses less digits than its factorization.

340215144451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6641130.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 340215144451 its reverse (154441512043), we get a palindrome (494656656494).

The spelling of 340215144451 in words is "three hundred forty billion, two hundred fifteen million, one hundred forty-four thousand, four hundred fifty-one".