26055647442 has 24 divisors (see below), whose sum is σ = 61586076240. Its totient is φ = 7895650680.

The previous prime is 26055647441. The next prime is 26055647459. The reversal of 26055647442 is 24474655062.

26055647442 is a `hidden beast` number, since 26 + 0 + 556 + 4 + 74 + 4 + 2 = 666.

It is a super-3 number, since 3×26055647442³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (26055647441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65796892 + ... + 65797287.

It is an arithmetic number, because the mean of its divisors is an integer number (2566086510).

Almost surely, 2^26055647442 is an apocalyptic number.

26055647442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26055647442 is an abundant number, since it is smaller than the sum of its proper divisors (35530428798).

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

26055647442 is a wasteful number, since it uses less digits than its factorization.

26055647442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131594198 (or 131594195 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 45.

The spelling of 26055647442 in words is "twenty-six billion, fifty-five million, six hundred forty-seven thousand, four hundred forty-two".