26401219 has 8 divisors (see below), whose sum is σ = 28516320. Its totient is φ = 24298176.

The previous prime is 26401213. The next prime is 26401229. The reversal of 26401219 is 91210462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26401219 - 2⁹ = 26400707 is a prime.

It is a super-2 number, since 2×26401219² = 1394048729371922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26401193 and 26401202.

It is not an unprimeable number, because it can be changed into a prime (26401213) by changing a digit.

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, 1839 + ... + 7495.

It is an arithmetic number, because the mean of its divisors is an integer number (3564540).

Almost surely, 2^26401219 is an apocalyptic number.

26401219 is a deficient number, since it is larger than the sum of its proper divisors (2115101).

26401219 is a wasteful number, since it uses less digits than its factorization.

26401219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6029.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 26401219 is about 5138.2116538734. The cubic root of 26401219 is about 297.7656934848.

The spelling of 26401219 in words is "twenty-six million, four hundred one thousand, two hundred nineteen".