26481400 has 48 divisors (see below), whose sum is σ = 67172040. Its totient is φ = 9628800.

The previous prime is 26481391. The next prime is 26481401. The reversal of 26481400 is 418462.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26481401) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3819 + ... + 8218.

Almost surely, 2^26481400 is an apocalyptic number.

26481400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26481400 is an abundant number, since it is smaller than the sum of its proper divisors (40690640).

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

26481400 is a wasteful number, since it uses less digits than its factorization.

26481400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12064 (or 12055 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 26481400 is about 5146.0081616725. The cubic root of 26481400 is about 298.0668288478.

Adding to 26481400 its reverse (418462), we get a palindrome (26899862).

The spelling of 26481400 in words is "twenty-six million, four hundred eighty-one thousand, four hundred".