26946401256 has 48 divisors (see below), whose sum is σ = 73018597860. Its totient is φ = 8977363200.

The previous prime is 26946401227. The next prime is 26946401267. The reversal of 26946401256 is 65210464962.

26946401256 is a `hidden beast` number, since 2 + 69 + 464 + 0 + 125 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26557917156 + 388484100 = 162966^2 + 19710^2 .

It is a super-2 number, since 2×26946401256² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38436 + ... + 235308.

Almost surely, 2^26946401256 is an apocalyptic number.

It is an amenable number.

26946401256 is an abundant number, since it is smaller than the sum of its proper divisors (46072196604).

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

26946401256 is a wasteful number, since it uses less digits than its factorization.

26946401256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198786 (or 198779 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 26946401256 in words is "twenty-six billion, nine hundred forty-six million, four hundred one thousand, two hundred fifty-six".