526443240028212 has 72 divisors (see below), whose sum is σ = 1433367273376584. Its totient is φ = 161951815397376.

The previous prime is 526443240028187. The next prime is 526443240028249. The reversal of 526443240028212 is 212820042344625.

It is a happy number.

526443240028212 is a `hidden beast` number, since 5 + 2 + 6 + 4 + 4 + 3 + 2 + 400 + 28 + 212 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 108479807252496 + 417963432775716 = 10415364^2 + 20444154^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104196253 + ... + 109131780.

It is an arithmetic number, because the mean of its divisors is an integer number (19907878796897).

Almost surely, 2^{526443240028212} is an apocalyptic number.

526443240028212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

526443240028212 is an abundant number, since it is smaller than the sum of its proper divisors (906924033348372).

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

526443240028212 is a wasteful number, since it uses less digits than its factorization.

526443240028212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213333329 (or 213333324 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 45.

The spelling of 526443240028212 in words is "five hundred twenty-six trillion, four hundred forty-three billion, two hundred forty million, twenty-eight thousand, two hundred twelve".