2256323526442 has 8 divisors (see below), whose sum is σ = 3384491912100. Its totient is φ = 1128159555744.

The previous prime is 2256323526439. The next prime is 2256323526461. The reversal of 2256323526442 is 2446253236522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2004260286961 + 252063239481 = 1415719^2 + 502059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2256323526442³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2256323526392 and 2256323526401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905284 + ... + 2309152.

Almost surely, 2^{2256323526442} is an apocalyptic number.

2256323526442 is a deficient number, since it is larger than the sum of its proper divisors (1128168385658).

2256323526442 is a wasteful number, since it uses less digits than its factorization.

2256323526442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207480.

The product of its digits is 4147200, while the sum is 46.

The spelling of 2256323526442 in words is "two trillion, two hundred fifty-six billion, three hundred twenty-three million, five hundred twenty-six thousand, four hundred forty-two".