26149456 has 10 divisors (see below), whose sum is σ = 50664602. Its totient is φ = 13074720.

The previous prime is 26149447. The next prime is 26149457. The reversal of 26149456 is 65494162.

It can be written as a sum of positive squares in only one way, i.e., 17505856 + 8643600 = 4184^2 + 2940^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26149457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 817155 + ... + 817186.

Almost surely, 2^26149456 is an apocalyptic number.

It is an amenable number.

26149456 is a deficient number, since it is larger than the sum of its proper divisors (24515146).

26149456 is a wasteful number, since it uses less digits than its factorization.

26149456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634349 (or 1634343 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 26149456 is about 5113.6538795660. The cubic root of 26149456 is about 296.8161672669.

The spelling of 26149456 in words is "twenty-six million, one hundred forty-nine thousand, four hundred fifty-six".