246528138256 has 45 divisors (see below), whose sum is σ = 482817135703. Its totient is φ = 121944329600.

The previous prime is 246528138223. The next prime is 246528138289. The reversal of 246528138256 is 652831825642.

The square root of 246528138256 is 496516.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (246528138223) and next prime (246528138289).

It can be written as a sum of positive squares in 4 ways, for example, as 223082403856 + 23445734400 = 472316^2 + 153120^2 .

It is a super-2 number, since 2×246528138256² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 200591850 + ... + 200593078.

Almost surely, 2^246528138256 is an apocalyptic number.

246528138256 is the 496516-th square number.

It is an amenable number.

246528138256 is a deficient number, since it is larger than the sum of its proper divisors (236288997447).

246528138256 is an frugal number, since it uses more digits than its factorization.

246528138256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668 (or 1332 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 52.

The spelling of 246528138256 in words is "two hundred forty-six billion, five hundred twenty-eight million, one hundred thirty-eight thousand, two hundred fifty-six".