26285040 has 160 divisors (see below), whose sum is σ = 92970240. Its totient is φ = 6822144.

The previous prime is 26285029. The next prime is 26285053. The reversal of 26285040 is 4058262.

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

It is a junction number, because it is equal to n+sod(n) for n = 26284995 and 26285013.

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 31 ways as a sum of consecutive naturals, for example, 92739 + ... + 93021.

It is an arithmetic number, because the mean of its divisors is an integer number (581064).

Almost surely, 2^26285040 is an apocalyptic number.

26285040 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 26285040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46485120).

26285040 is an abundant number, since it is smaller than the sum of its proper divisors (66685200).

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

26285040 is a wasteful number, since it uses less digits than its factorization.

26285040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 26285040 is about 5126.8937964424. The cubic root of 26285040 is about 297.3282769533.

The spelling of 26285040 in words is "twenty-six million, two hundred eighty-five thousand, forty".