26430400 has 42 divisors (see below), whose sum is σ = 65039240. Its totient is φ = 10571520.

The previous prime is 26430379. The next prime is 26430409. The reversal of 26430400 is 403462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26430409) 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 5 ways as a sum of consecutive naturals, for example, 6660 + ... + 9859.

Almost surely, 2^26430400 is an apocalyptic number.

26430400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26430400 is an abundant number, since it is smaller than the sum of its proper divisors (38608840).

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

26430400 is a wasteful number, since it uses less digits than its factorization.

26430400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16541 (or 16526 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 26430400 is about 5141.0504763132. The cubic root of 26430400 is about 297.8753588926.

Adding to 26430400 its reverse (403462), we get a palindrome (26833862).

The spelling of 26430400 in words is "twenty-six million, four hundred thirty thousand, four hundred".