26364280 has 64 divisors (see below), whose sum is σ = 63491040. Its totient is φ = 9818112.

The previous prime is 26364251. The next prime is 26364281. The reversal of 26364280 is 8246362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26364281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93019 + ... + 93301.

Almost surely, 2^26364280 is an apocalyptic number.

26364280 is a gapful number since it is divisible by the number (20) 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 26364280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31745520).

26364280 is an abundant number, since it is smaller than the sum of its proper divisors (37126760).

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

26364280 is a wasteful number, since it uses less digits than its factorization.

26364280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 26364280 is about 5134.6158571017. The cubic root of 26364280 is about 297.6267567090.

The spelling of 26364280 in words is "twenty-six million, three hundred sixty-four thousand, two hundred eighty".