26649264 has 40 divisors (see below), whose sum is σ = 69138432. Its totient is φ = 8845120.

The previous prime is 26649263. The next prime is 26649277. The reversal of 26649264 is 46294662.

It is not an unprimeable number, because it can be changed into a prime (26649263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11569 + ... + 13679.

Almost surely, 2^26649264 is an apocalyptic number.

26649264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26649264 is an abundant number, since it is smaller than the sum of its proper divisors (42489168).

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

26649264 is a wasteful number, since it uses less digits than its factorization.

26649264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385 (or 2379 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 26649264 is about 5162.2925139903. The cubic root of 26649264 is about 298.6953119670.

The spelling of 26649264 in words is "twenty-six million, six hundred forty-nine thousand, two hundred sixty-four".