26393240 has 16 divisors (see below), whose sum is σ = 59384880. Its totient is φ = 10557280.

The previous prime is 26393233. The next prime is 26393251. The reversal of 26393240 is 4239362.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329876 + ... + 329955.

It is an arithmetic number, because the mean of its divisors is an integer number (3711555).

Almost surely, 2^26393240 is an apocalyptic number.

26393240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26393240 is an abundant number, since it is smaller than the sum of its proper divisors (32991640).

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

26393240 is a wasteful number, since it uses less digits than its factorization.

26393240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659842 (or 659838 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 26393240 is about 5137.4351577417. The cubic root of 26393240 is about 297.7356934577.

The spelling of 26393240 in words is "twenty-six million, three hundred ninety-three thousand, two hundred forty".