26980190 has 32 divisors (see below), whose sum is σ = 54133920. Its totient is φ = 9621504.

The previous prime is 26980189. The next prime is 26980193. The reversal of 26980190 is 9108962.

It is a super-2 number, since 2×26980190² = 1455861304872200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26980190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26980193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 947 + ... + 7406.

It is an arithmetic number, because the mean of its divisors is an integer number (1691685).

Almost surely, 2^26980190 is an apocalyptic number.

26980190 is an abundant number, since it is smaller than the sum of its proper divisors (27153730).

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

26980190 is a wasteful number, since it uses less digits than its factorization.

26980190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8396.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 26980190 is about 5194.2458547897. The cubic root of 26980190 is about 299.9266116783.

The spelling of 26980190 in words is "twenty-six million, nine hundred eighty thousand, one hundred ninety".