26775051408 has 240 divisors, whose sum is σ = 95448712320. Its totient is φ = 6820982784.

The previous prime is 26775051361. The next prime is 26775051439. The reversal of 26775051408 is 80415057762.

26775051408 is a `hidden beast` number, since 2 + 67 + 75 + 0 + 514 + 0 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 284466 + ... + 366702.

It is an arithmetic number, because the mean of its divisors is an integer number (397702968).

Almost surely, 2^26775051408 is an apocalyptic number.

26775051408 is a gapful number since it is divisible by the number (28) 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 26775051408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47724356160).

26775051408 is an abundant number, since it is smaller than the sum of its proper divisors (68673660912).

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

26775051408 is a wasteful number, since it uses less digits than its factorization.

26775051408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82294 (or 82285 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 26775051408 in words is "twenty-six billion, seven hundred seventy-five million, fifty-one thousand, four hundred eight".