26554049280 has 216 divisors, whose sum is σ = 100226926800. Its totient is φ = 6437314560.

The previous prime is 26554049273. The next prime is 26554049311. The reversal of 26554049280 is 8294045562.

26554049280 is a `hidden beast` number, since 2 + 6 + 554 + 0 + 4 + 92 + 8 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21946 + ... + 231494.

It is an arithmetic number, because the mean of its divisors is an integer number (464013550).

Almost surely, 2^26554049280 is an apocalyptic number.

26554049280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26554049280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50113463400).

26554049280 is an abundant number, since it is smaller than the sum of its proper divisors (73672877520).

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

26554049280 is a wasteful number, since it uses less digits than its factorization.

26554049280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209587 (or 209570 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 26554049280 in words is "twenty-six billion, five hundred fifty-four million, forty-nine thousand, two hundred eighty".