26556426 has 24 divisors (see below), whose sum is σ = 61965540. Its totient is φ = 8171136.

The previous prime is 26556407. The next prime is 26556493. The reversal of 26556426 is 62465562.

26556426 is a `hidden beast` number, since 2 + 6 + 5 + 5 + 642 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21150801 + 5405625 = 4599^2 + 2325^2 .

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, 56511 + ... + 56978.

Almost surely, 2^26556426 is an apocalyptic number.

26556426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

26556426 is an abundant number, since it is smaller than the sum of its proper divisors (35409114).

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

26556426 is a wasteful number, since it uses less digits than its factorization.

26556426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113510 (or 113507 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 26556426 is about 5153.2927337771. The cubic root of 26556426 is about 298.3480536068.

The spelling of 26556426 in words is "twenty-six million, five hundred fifty-six thousand, four hundred twenty-six".