520242102436 has 18 divisors (see below), whose sum is σ = 1059064280358. Its totient is φ = 222960900960.

The previous prime is 520242102329. The next prime is 520242102437. The reversal of 520242102436 is 634201242025.

It can be written as a sum of positive squares in only one way, i.e., 366138748836 + 154103353600 = 605094^2 + 392560^2 .

It is a junction number, because it is equal to n+sod(n) for n = 520242102398 and 520242102407.

It is not an unprimeable number, because it can be changed into a prime (520242102437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1327148025 + ... + 1327148416.

Almost surely, 2^520242102436 is an apocalyptic number.

It is an amenable number.

520242102436 is an abundant number, since it is smaller than the sum of its proper divisors (538822177922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520242102436 is a wasteful number, since it uses less digits than its factorization.

520242102436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654296459 (or 2654296450 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 520242102436 in words is "five hundred twenty billion, two hundred forty-two million, one hundred two thousand, four hundred thirty-six".