26181459045 has 96 divisors (see below), whose sum is σ = 53836683264. Its totient is φ = 11517811200.

The previous prime is 26181459023. The next prime is 26181459047. The reversal of 26181459045 is 54095418162.

26181459045 is a `hidden beast` number, since 2 + 6 + 1 + 8 + 14 + 590 + 45 = 666.

It is not a de Polignac number, because 26181459045 - 2⁹ = 26181458533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26181459047) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1760059 + ... + 1774871.

It is an arithmetic number, because the mean of its divisors is an integer number (560798784).

Almost surely, 2^26181459045 is an apocalyptic number.

It is an amenable number.

26181459045 is an abundant number, since it is smaller than the sum of its proper divisors (27655224219).

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

26181459045 is a wasteful number, since it uses less digits than its factorization.

26181459045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15043 (or 15040 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 26181459045 in words is "twenty-six billion, one hundred eighty-one million, four hundred fifty-nine thousand, forty-five".