256018498026 has 16 divisors (see below), whose sum is σ = 512043637728. Its totient is φ = 85338392400.

The previous prime is 256018498013. The next prime is 256018498027. The reversal of 256018498026 is 620894810652.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 256018498026.

It is not an unprimeable number, because it can be changed into a prime (256018498027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325041 + ... + 785931.

It is an arithmetic number, because the mean of its divisors is an integer number (32002727358).

Almost surely, 2^256018498026 is an apocalyptic number.

256018498026 is an abundant number, since it is smaller than the sum of its proper divisors (256025139702).

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

256018498026 is a wasteful number, since it uses less digits than its factorization.

256018498026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553477.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 256018498026 in words is "two hundred fifty-six billion, eighteen million, four hundred ninety-eight thousand, twenty-six".