26700240 has 160 divisors (see below), whose sum is σ = 98850816. Its totient is φ = 5829120.

The previous prime is 26700239. The next prime is 26700253. The reversal of 26700240 is 4200762.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 31 ways as a sum of consecutive naturals, for example, 38295 + ... + 38985.

Almost surely, 2^26700240 is an apocalyptic number.

26700240 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 26700240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49425408).

26700240 is an abundant number, since it is smaller than the sum of its proper divisors (72150576).

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

26700240 is a wasteful number, since it uses less digits than its factorization.

26700240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 26700240 is about 5167.2274964433. The cubic root of 26700240 is about 298.8856436023.

The spelling of 26700240 in words is "twenty-six million, seven hundred thousand, two hundred forty".