26065240 has 32 divisors (see below), whose sum is σ = 58837680. Its totient is φ = 10392192.

The previous prime is 26065231. The next prime is 26065253. The reversal of 26065240 is 4256062.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14047 + ... + 15793.

Almost surely, 2^26065240 is an apocalyptic number.

26065240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26065240 is an abundant number, since it is smaller than the sum of its proper divisors (32772440).

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

26065240 is a wasteful number, since it uses less digits than its factorization.

26065240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131 (or 2127 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 26065240 is about 5105.4128138673. The cubic root of 26065240 is about 296.4971860879.

It can be divided in two parts, 260 and 65240, that multiplied together give a triangular number (16962400 = T₅₈₂₄).

The spelling of 26065240 in words is "twenty-six million, sixty-five thousand, two hundred forty".