340264224661 has 4 divisors (see below), whose sum is σ = 340266234924. Its totient is φ = 340262214400.

The previous prime is 340264224653. The next prime is 340264224667. The reversal of 340264224661 is 166422462043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 166422462043 = 293 ⋅567994751.

It can be written as a sum of positive squares in 2 ways, for example, as 214363444036 + 125900780625 = 462994^2 + 354825^2 .

It is a cyclic number.

It is not a de Polignac number, because 340264224661 - 2³ = 340264224653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340264224667) 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 3 ways as a sum of consecutive naturals, for example, 725260 + ... + 1098421.

It is an arithmetic number, because the mean of its divisors is an integer number (85066558731).

Almost surely, 2^340264224661 is an apocalyptic number.

It is an amenable number.

340264224661 is a deficient number, since it is larger than the sum of its proper divisors (2010263).

340264224661 is a wasteful number, since it uses less digits than its factorization.

340264224661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010262.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 340264224661 in words is "three hundred forty billion, two hundred sixty-four million, two hundred twenty-four thousand, six hundred sixty-one".