264633401 has 8 divisors (see below), whose sum is σ = 271382400. Its totient is φ = 257968480.

The previous prime is 264633371. The next prime is 264633409. The reversal of 264633401 is 104336462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264633401 - 2¹⁰ = 264632377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264633409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14621 + ... + 27258.

It is an arithmetic number, because the mean of its divisors is an integer number (33922800).

Almost surely, 2^264633401 is an apocalyptic number.

It is an amenable number.

264633401 is a deficient number, since it is larger than the sum of its proper divisors (6748999).

264633401 is an equidigital number, since it uses as much as digits as its factorization.

264633401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42039.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 264633401 is about 16267.5567003776. The cubic root of 264633401 is about 642.0195005448.

Adding to 264633401 its reverse (104336462), we get a palindrome (368969863).

The spelling of 264633401 in words is "two hundred sixty-four million, six hundred thirty-three thousand, four hundred one".