26161400 has 24 divisors (see below), whose sum is σ = 60825720. Its totient is φ = 10464480.

The previous prime is 26161397. The next prime is 26161411. The reversal of 26161400 is 416162.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a zygodrome in base 2.

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 5 ways as a sum of consecutive naturals, for example, 65204 + ... + 65603.

It is an arithmetic number, because the mean of its divisors is an integer number (2534405).

Almost surely, 2^26161400 is an apocalyptic number.

26161400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26161400 is an abundant number, since it is smaller than the sum of its proper divisors (34664320).

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

26161400 is a wasteful number, since it uses less digits than its factorization.

26161400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130823 (or 130814 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 26161400 is about 5114.8216000170. The cubic root of 26161400 is about 296.8613515424.

Adding to 26161400 its reverse (416162), we get a palindrome (26577562).

The spelling of 26161400 in words is "twenty-six million, one hundred sixty-one thousand, four hundred".