26390148 has 12 divisors (see below), whose sum is σ = 61577040. Its totient is φ = 8796712.

The previous prime is 26390113. The next prime is 26390153. The reversal of 26390148 is 84109362.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×26390148² = 1392879822923808, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1099578 + ... + 1099601.

It is an arithmetic number, because the mean of its divisors is an integer number (5131420).

Almost surely, 2^26390148 is an apocalyptic number.

It is an amenable number.

26390148 is an abundant number, since it is smaller than the sum of its proper divisors (35186892).

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

26390148 is a wasteful number, since it uses less digits than its factorization.

26390148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199186 (or 2199184 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 26390148 is about 5137.1342205553. The cubic root of 26390148 is about 297.7240663048.

The spelling of 26390148 in words is "twenty-six million, three hundred ninety thousand, one hundred forty-eight".