26922240 has 288 divisors, whose sum is σ = 103017600. Its totient is φ = 6635520.

The previous prime is 26922239. The next prime is 26922241. The reversal of 26922240 is 4222962.

It is an interprime number because it is at equal distance from previous prime (26922239) and next prime (26922241).

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26922241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 656620 + ... + 656660.

It is an arithmetic number, because the mean of its divisors is an integer number (357700).

Almost surely, 2^26922240 is an apocalyptic number.

26922240 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 26922240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51508800).

26922240 is an abundant number, since it is smaller than the sum of its proper divisors (76095360).

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

26922240 is a wasteful number, since it uses less digits than its factorization.

26922240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 26922240 is about 5188.6645680753. The cubic root of 26922240 is about 299.7117230768.

The spelling of 26922240 in words is "twenty-six million, nine hundred twenty-two thousand, two hundred forty".