26400030 has 16 divisors (see below), whose sum is σ = 63360144. Its totient is φ = 7040000.

The previous prime is 26400029. The next prime is 26400047. The reversal of 26400030 is 3000462.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26399982 and 26400009.

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 7 ways as a sum of consecutive naturals, for example, 439971 + ... + 440030.

It is an arithmetic number, because the mean of its divisors is an integer number (3960009).

Almost surely, 2^26400030 is an apocalyptic number.

26400030 is an abundant number, since it is smaller than the sum of its proper divisors (36960114).

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

26400030 is a wasteful number, since it uses less digits than its factorization.

26400030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880011.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 26400030 is about 5138.0959508363. The cubic root of 26400030 is about 297.7612233790.

Adding to 26400030 its reverse (3000462), we get a palindrome (29400492).

The spelling of 26400030 in words is "twenty-six million, four hundred thousand, thirty".