340024121145 has 24 divisors (see below), whose sum is σ = 590775117192. Its totient is φ = 180915436800.

The previous prime is 340024121141. The next prime is 340024121153. The reversal of 340024121145 is 541121420043.

340024121145 is a `hidden beast` number, since 3 + 400 + 2 + 4 + 1 + 211 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 402082704 + 339622038441 = 20052^2 + 582771^2 .

It is not a de Polignac number, because 340024121145 - 2² = 340024121141 is a prime.

It is a super-2 number, since 2×340024121145² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340024121141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8955036 + ... + 8992925.

It is an arithmetic number, because the mean of its divisors is an integer number (24615629883).

Almost surely, 2^340024121145 is an apocalyptic number.

It is an amenable number.

340024121145 is a deficient number, since it is larger than the sum of its proper divisors (250750996047).

340024121145 is a wasteful number, since it uses less digits than its factorization.

340024121145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17948393 (or 17948390 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 340024121145 its reverse (541121420043), we get a palindrome (881145541188).

The spelling of 340024121145 in words is "three hundred forty billion, twenty-four million, one hundred twenty-one thousand, one hundred forty-five".