26618379408 has 320 divisors, whose sum is σ = 84776716800. Its totient is φ = 8057677824.

The previous prime is 26618379401. The next prime is 26618379409. The reversal of 26618379408 is 80497381662.

26618379408 is a `hidden beast` number, since 266 + 1 + 8 + 379 + 4 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (26618379401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17250285 + ... + 17251827.

It is an arithmetic number, because the mean of its divisors is an integer number (264927240).

Almost surely, 2^26618379408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26618379408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42388358400).

26618379408 is an abundant number, since it is smaller than the sum of its proper divisors (58158337392).

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

26618379408 is a wasteful number, since it uses less digits than its factorization.

26618379408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618 (or 1594 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 26618379408 in words is "twenty-six billion, six hundred eighteen million, three hundred seventy-nine thousand, four hundred eight".