26406149 has 12 divisors (see below), whose sum is σ = 33510528. Its totient is φ = 20575800.

The previous prime is 26406131. The next prime is 26406157. The reversal of 26406149 is 94160462.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-26406149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26406109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23957 + ... + 25034.

It is an arithmetic number, because the mean of its divisors is an integer number (2792544).

Almost surely, 2^26406149 is an apocalyptic number.

It is an amenable number.

26406149 is a deficient number, since it is larger than the sum of its proper divisors (7104379).

26406149 is a wasteful number, since it uses less digits than its factorization.

26406149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49016 (or 49009 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 26406149 is about 5138.6913703783. The cubic root of 26406149 is about 297.7842266379.

The spelling of 26406149 in words is "twenty-six million, four hundred six thousand, one hundred forty-nine".