26464641 has 16 divisors (see below), whose sum is σ = 40648704. Its totient is φ = 15002064.

The previous prime is 26464637. The next prime is 26464661. The reversal of 26464641 is 14646462.

It is not a de Polignac number, because 26464641 - 2² = 26464637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26464601) 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 15 ways as a sum of consecutive naturals, for example, 2295 + ... + 7628.

It is an arithmetic number, because the mean of its divisors is an integer number (2540544).

Almost surely, 2^26464641 is an apocalyptic number.

26464641 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

26464641 is a deficient number, since it is larger than the sum of its proper divisors (14184063).

26464641 is a wasteful number, since it uses less digits than its factorization.

26464641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10060.

The product of its digits is 27648, while the sum is 33.

The square root of 26464641 is about 5144.3795544264. The cubic root of 26464641 is about 298.0039374583.

The spelling of 26464641 in words is "twenty-six million, four hundred sixty-four thousand, six hundred forty-one".