264026641 has 4 divisors (see below), whose sum is σ = 277922800. Its totient is φ = 250130484.

The previous prime is 264026573. The next prime is 264026657. The reversal of 264026641 is 146620462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 264026641 - 2¹⁹ = 263502353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264026681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6948051 + ... + 6948088.

It is an arithmetic number, because the mean of its divisors is an integer number (69480700).

Almost surely, 2^264026641 is an apocalyptic number.

It is an amenable number.

264026641 is a deficient number, since it is larger than the sum of its proper divisors (13896159).

264026641 is a wasteful number, since it uses less digits than its factorization.

264026641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13896158.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 264026641 is about 16248.8966086932. The cubic root of 264026641 is about 641.5284440416.

The spelling of 264026641 in words is "two hundred sixty-four million, twenty-six thousand, six hundred forty-one".