264205401 has 8 divisors (see below), whose sum is σ = 352549440. Its totient is φ = 175999152.

The previous prime is 264205397. The next prime is 264205423. The reversal of 264205401 is 104502462.

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

It is not a de Polignac number, because 264205401 - 2² = 264205397 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (264205441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29886 + ... + 37703.

It is an arithmetic number, because the mean of its divisors is an integer number (44068680).

Almost surely, 2^264205401 is an apocalyptic number.

It is an amenable number.

264205401 is a deficient number, since it is larger than the sum of its proper divisors (88344039).

264205401 is a wasteful number, since it uses less digits than its factorization.

264205401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68895.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 264205401 is about 16254.3963591393. The cubic root of 264205401 is about 641.6731942740.

Adding to 264205401 its reverse (104502462), we get a palindrome (368707863).

The spelling of 264205401 in words is "two hundred sixty-four million, two hundred five thousand, four hundred one".