26862240 has 96 divisors (see below), whose sum is σ = 85349376. Its totient is φ = 7101440.

The previous prime is 26862223. The next prime is 26862281. The reversal of 26862240 is 4226862.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a junction number, because it is equal to n+sod(n) for n = 26862198 and 26862207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91534 + ... + 91826.

It is an arithmetic number, because the mean of its divisors is an integer number (889056).

Almost surely, 2^26862240 is an apocalyptic number.

26862240 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 26862240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42674688).

26862240 is an abundant number, since it is smaller than the sum of its proper divisors (58487136).

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

26862240 is a wasteful number, since it uses less digits than its factorization.

26862240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 26862240 is about 5182.8795085358. The cubic root of 26862240 is about 299.4889075539.

The spelling of 26862240 in words is "twenty-six million, eight hundred sixty-two thousand, two hundred forty".