26100864 has 96 divisors (see below), whose sum is σ = 76112400. Its totient is φ = 8584704.

The previous prime is 26100827. The next prime is 26100869. The reversal of 26100864 is 46800162.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (26100869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160047 + ... + 160209.

Almost surely, 2^26100864 is an apocalyptic number.

26100864 is a gapful number since it is divisible by the number (24) 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 26100864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38056200).

26100864 is an abundant number, since it is smaller than the sum of its proper divisors (50011536).

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

26100864 is a wasteful number, since it uses less digits than its factorization.

26100864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 26100864 is about 5108.9004687897. The cubic root of 26100864 is about 296.6322012452.

The spelling of 26100864 in words is "twenty-six million, one hundred thousand, eight hundred sixty-four".