26601628 has 12 divisors (see below), whose sum is σ = 46682272. Its totient is φ = 13263840.

The previous prime is 26601623. The next prime is 26601637. The reversal of 26601628 is 82610662.

It is a super-2 number, since 2×26601628² = 1415293224500768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 26601628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26601623) 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 3 ways as a sum of consecutive naturals, for example, 7593 + ... + 10528.

Almost surely, 2^26601628 is an apocalyptic number.

It is an amenable number.

26601628 is a deficient number, since it is larger than the sum of its proper divisors (20080644).

26601628 is a wasteful number, since it uses less digits than its factorization.

26601628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18492 (or 18490 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 26601628 is about 5157.6766087067. The cubic root of 26601628 is about 298.5172315480.

The spelling of 26601628 in words is "twenty-six million, six hundred one thousand, six hundred twenty-eight".