26450380998 has 12 divisors (see below), whose sum is σ = 57309158868. Its totient is φ = 8816793660.

The previous prime is 26450380993. The next prime is 26450381021. The reversal of 26450380998 is 89908305462.

26450380998 is a `hidden beast` number, since 26 + 450 + 3 + 80 + 9 + 98 = 666.

It is a super-3 number, since 3×26450380998³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26450380993) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 734732788 + ... + 734732823.

It is an arithmetic number, because the mean of its divisors is an integer number (4775763239).

Almost surely, 2^26450380998 is an apocalyptic number.

26450380998 is an abundant number, since it is smaller than the sum of its proper divisors (30858777870).

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

26450380998 is a wasteful number, since it uses less digits than its factorization.

26450380998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469465619 (or 1469465616 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 26450380998 in words is "twenty-six billion, four hundred fifty million, three hundred eighty thousand, nine hundred ninety-eight".