26264023656 has 192 divisors, whose sum is σ = 78559528320. Its totient is φ = 7274741760.

The previous prime is 26264023603. The next prime is 26264023657. The reversal of 26264023656 is 65632046262.

It is not an unprimeable number, because it can be changed into a prime (26264023657) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1577616 + ... + 1594176.

It is an arithmetic number, because the mean of its divisors is an integer number (409164210).

Almost surely, 2^26264023656 is an apocalyptic number.

26264023656 is a gapful number since it is divisible by the number (26) 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 26264023656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39279764160).

26264023656 is an abundant number, since it is smaller than the sum of its proper divisors (52295504664).

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

26264023656 is a wasteful number, since it uses less digits than its factorization.

26264023656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16636 (or 16619 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 26264023656 in words is "twenty-six billion, two hundred sixty-four million, twenty-three thousand, six hundred fifty-six".