26474610564 has 120 divisors (see below), whose sum is σ = 73233246240. Its totient is φ = 8316711936.

The previous prime is 26474610559. The next prime is 26474610649. The reversal of 26474610564 is 46501647462.

26474610564 is a `hidden beast` number, since 2 + 6 + 4 + 74 + 6 + 10 + 564 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1176967 + ... + 1199249.

It is an arithmetic number, because the mean of its divisors is an integer number (610277052).

Almost surely, 2^26474610564 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 26474610564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36616623120).

26474610564 is an abundant number, since it is smaller than the sum of its proper divisors (46758635676).

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

26474610564 is a wasteful number, since it uses less digits than its factorization.

26474610564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22511 (or 22500 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 26474610564 in words is "twenty-six billion, four hundred seventy-four million, six hundred ten thousand, five hundred sixty-four".