520610644234 has 8 divisors (see below), whose sum is σ = 788647807908. Its totient is φ = 257728041600.

The previous prime is 520610644159. The next prime is 520610644271. The reversal of 520610644234 is 432446016025.

It can be written as a sum of positive squares in 2 ways, for example, as 515735113609 + 4875530625 = 718147^2 + 69825^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 520610644193 and 520610644202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288640007 + ... + 1288640410.

Almost surely, 2^520610644234 is an apocalyptic number.

520610644234 is a deficient number, since it is larger than the sum of its proper divisors (268037163674).

520610644234 is a wasteful number, since it uses less digits than its factorization.

520610644234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577280520.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 520610644234 in words is "five hundred twenty billion, six hundred ten million, six hundred forty-four thousand, two hundred thirty-four".