256060004 has 6 divisors (see below), whose sum is σ = 448105014. Its totient is φ = 128030000.

The previous prime is 256059971. The next prime is 256060019. The reversal of 256060004 is 400060652.

It can be written as a sum of positive squares in only one way, i.e., 231040000 + 25020004 = 15200^2 + 5002^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32007497 + ... + 32007504.

It is an arithmetic number, because the mean of its divisors is an integer number (74684169).

Almost surely, 2^256060004 is an apocalyptic number.

It is an amenable number.

256060004 is a deficient number, since it is larger than the sum of its proper divisors (192045010).

256060004 is a wasteful number, since it uses less digits than its factorization.

256060004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64015005 (or 64015003 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 256060004 is about 16001.8750151349. The cubic root of 256060004 is about 635.0100265017.

The spelling of 256060004 in words is "two hundred fifty-six million, sixty thousand, four".