26601056436 has 48 divisors (see below), whose sum is σ = 62594481600. Its totient is φ = 8792243712.

The previous prime is 26601056429. The next prime is 26601056453. The reversal of 26601056436 is 63465010662.

It is a super-2 number, since 2×26601056436² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26601056394 and 26601056403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 769900 + ... + 803708.

It is an arithmetic number, because the mean of its divisors is an integer number (1304051700).

Almost surely, 2^26601056436 is an apocalyptic number.

It is an amenable number.

26601056436 is an abundant number, since it is smaller than the sum of its proper divisors (35993425164).

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

26601056436 is a wasteful number, since it uses less digits than its factorization.

26601056436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34368 (or 34366 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 26601056436 in words is "twenty-six billion, six hundred one million, fifty-six thousand, four hundred thirty-six".