26430264 has 72 divisors (see below), whose sum is σ = 82166760. Its totient is φ = 7518528.

The previous prime is 26430203. The next prime is 26430277. The reversal of 26430264 is 46203462.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 115302 + ... + 115530.

It is an arithmetic number, because the mean of its divisors is an integer number (1141205).

Almost surely, 2^26430264 is an apocalyptic number.

26430264 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 26430264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41083380).

26430264 is an abundant number, since it is smaller than the sum of its proper divisors (55736496).

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

26430264 is a wasteful number, since it uses less digits than its factorization.

26430264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 26430264 is about 5141.0372494274. The cubic root of 26430264 is about 297.8748479769.

The spelling of 26430264 in words is "twenty-six million, four hundred thirty thousand, two hundred sixty-four".