26405352 has 144 divisors (see below), whose sum is σ = 80458560. Its totient is φ = 8107776.

The previous prime is 26405329. The next prime is 26405363. The reversal of 26405352 is 25350462.

It is a super-2 number, since 2×26405352² = 1394485228487808, which contains 22 as substring.

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

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 35 ways as a sum of consecutive naturals, for example, 561793 + ... + 561839.

It is an arithmetic number, because the mean of its divisors is an integer number (558740).

Almost surely, 2^26405352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26405352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40229280).

26405352 is an abundant number, since it is smaller than the sum of its proper divisors (54053208).

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

26405352 is a wasteful number, since it uses less digits than its factorization.

26405352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 26405352 is about 5138.6138208665. The cubic root of 26405352 is about 297.7812306638.

The spelling of 26405352 in words is "twenty-six million, four hundred five thousand, three hundred fifty-two".