26299728 has 200 divisors, whose sum is σ = 94105088. Its totient is φ = 6905088.

The previous prime is 26299727. The next prime is 26299729. The reversal of 26299728 is 82799262.

It is an interprime number because it is at equal distance from previous prime (26299727) and next prime (26299729).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26299727) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 117825 + ... + 118047.

Almost surely, 2^26299728 is an apocalyptic number.

26299728 is a gapful number since it is divisible by the number (28) 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 26299728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47052544).

26299728 is an abundant number, since it is smaller than the sum of its proper divisors (67805360).

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

26299728 is a wasteful number, since it uses less digits than its factorization.

26299728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 248 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 26299728 is about 5128.3260426771. The cubic root of 26299728 is about 297.3836486849.

The spelling of 26299728 in words is "twenty-six million, two hundred ninety-nine thousand, seven hundred twenty-eight".