526664874240 has 216 divisors, whose sum is σ = 1929394886328. Its totient is φ = 132182507520.

The previous prime is 526664874227. The next prime is 526664874251. The reversal of 526664874240 is 42478466625.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34399862784 + 492265011456 = 185472^2 + 701616^2 .

It is an unprimeable number.

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, 1148791 + ... + 1540470.

It is an arithmetic number, because the mean of its divisors is an integer number (8932383733).

Almost surely, 2^526664874240 is an apocalyptic number.

It is an amenable number.

526664874240 is an abundant number, since it is smaller than the sum of its proper divisors (1402730012088).

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

526664874240 is a wasteful number, since it uses less digits than its factorization.

526664874240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689305 (or 2689288 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 54.

The spelling of 526664874240 in words is "five hundred twenty-six billion, six hundred sixty-four million, eight hundred seventy-four thousand, two hundred forty".