26242190 has 32 divisors (see below), whose sum is σ = 51105600. Its totient is φ = 9644544.

The previous prime is 26242189. The next prime is 26242199. The reversal of 26242190 is 9124262.

It is a super-2 number, since 2×26242190² = 1377305071992200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26242199) 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 15 ways as a sum of consecutive naturals, for example, 43511 + ... + 44109.

It is an arithmetic number, because the mean of its divisors is an integer number (1597050).

Almost surely, 2^26242190 is an apocalyptic number.

26242190 is a deficient number, since it is larger than the sum of its proper divisors (24863410).

26242190 is a wasteful number, since it uses less digits than its factorization.

26242190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 26242190 is about 5122.7131483229. The cubic root of 26242190 is about 297.1666204095.

The spelling of 26242190 in words is "twenty-six million, two hundred forty-two thousand, one hundred ninety".