26485609536 has 63 divisors (see below), whose sum is σ = 75927414693. Its totient is φ = 8827234560.

The previous prime is 26485609499. The next prime is 26485609559. The reversal of 26485609536 is 63590658462.

The square root of 26485609536 is 162744.

It is a perfect power (a square), and thus also a powerful number.

26485609536 is a `hidden beast` number, since 2 + 6 + 48 + 5 + 60 + 9 + 536 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11503849536 + 14981760000 = 107256^2 + 122400^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3902466 + ... + 3909246.

Almost surely, 2^26485609536 is an apocalyptic number.

26485609536 is the 162744-th square number.

It is an amenable number.

26485609536 is an abundant number, since it is smaller than the sum of its proper divisors (49441805157).

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

26485609536 is an frugal number, since it uses more digits than its factorization.

26485609536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13580 (or 6786 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 26485609536 in words is "twenty-six billion, four hundred eighty-five million, six hundred nine thousand, five hundred thirty-six".