26271480 has 128 divisors (see below), whose sum is σ = 83119680. Its totient is φ = 6635520.

The previous prime is 26271473. The next prime is 26271481. The reversal of 26271480 is 8417262.

It is a super-2 number, since 2×26271480² = 1380381322780800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26271481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270792 + ... + 270888.

Almost surely, 2^26271480 is an apocalyptic number.

26271480 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 26271480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41559840).

26271480 is an abundant number, since it is smaller than the sum of its proper divisors (56848200).

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

26271480 is a wasteful number, since it uses less digits than its factorization.

26271480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 26271480 is about 5125.5711876824. The cubic root of 26271480 is about 297.2771393108.

The spelling of 26271480 in words is "twenty-six million, two hundred seventy-one thousand, four hundred eighty".