526225257728 has 18 divisors (see below), whose sum is σ = 1050394948554. Its totient is φ = 263112628736.

The previous prime is 526225257683. The next prime is 526225257751. The reversal of 526225257728 is 827752522625.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 419447931904 + 106777325824 = 647648^2 + 326768^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 526225257728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027783451 + ... + 1027783962.

Almost surely, 2^526225257728 is an apocalyptic number.

It is an amenable number.

526225257728 is a deficient number, since it is larger than the sum of its proper divisors (524169690826).

526225257728 is an equidigital number, since it uses as much as digits as its factorization.

526225257728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055567429 (or 2055567415 counting only the distinct ones).

The product of its digits is 9408000, while the sum is 53.

The spelling of 526225257728 in words is "five hundred twenty-six billion, two hundred twenty-five million, two hundred fifty-seven thousand, seven hundred twenty-eight".