26491446 has 48 divisors (see below), whose sum is σ = 60933600. Its totient is φ = 8300160.

The previous prime is 26491441. The next prime is 26491447. The reversal of 26491446 is 64419462.

26491446 is a `hidden beast` number, since 2 + 649 + 1 + 4 + 4 + 6 = 666.

It is a super-2 number, since 2×26491446² = 1403593422341832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26491446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26491441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24730 + ... + 25778.

It is an arithmetic number, because the mean of its divisors is an integer number (1269450).

Almost surely, 2^26491446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26491446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30466800).

26491446 is an abundant number, since it is smaller than the sum of its proper divisors (34442154).

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

26491446 is a wasteful number, since it uses less digits than its factorization.

26491446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1138 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 26491446 is about 5146.9841655090. The cubic root of 26491446 is about 298.1045156871.

It can be divided in two parts, 2649 and 1446, that added together give a triangular number (4095 = T₉₀).

The spelling of 26491446 in words is "twenty-six million, four hundred ninety-one thousand, four hundred forty-six".