26480240 has 40 divisors (see below), whose sum is σ = 61924608. Its totient is φ = 10530560.

The previous prime is 26480221. The next prime is 26480257. The reversal of 26480240 is 4208462.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×26480240² = 1402406220915200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14414 + ... + 16146.

Almost surely, 2^26480240 is an apocalyptic number.

26480240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26480240 is an abundant number, since it is smaller than the sum of its proper divisors (35444368).

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

26480240 is a wasteful number, since it uses less digits than its factorization.

26480240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937 (or 1931 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 26480240 is about 5145.8954517168. The cubic root of 26480240 is about 298.0624765783.

The spelling of 26480240 in words is "twenty-six million, four hundred eighty thousand, two hundred forty".