264019745 has 16 divisors (see below), whose sum is σ = 346370688. Its totient is φ = 191600640.

The previous prime is 264019711. The next prime is 264019747. The reversal of 264019745 is 547910462.

It is not a de Polignac number, because 264019745 - 2⁶ = 264019681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 264019699 and 264019708.

It is not an unprimeable number, because it can be changed into a prime (264019747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21857 + ... + 31713.

It is an arithmetic number, because the mean of its divisors is an integer number (21648168).

Almost surely, 2^264019745 is an apocalyptic number.

It is an amenable number.

264019745 is a deficient number, since it is larger than the sum of its proper divisors (82350943).

264019745 is a wasteful number, since it uses less digits than its factorization.

264019745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10360.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 264019745 is about 16248.6844082836. The cubic root of 264019745 is about 641.5228587230.

The spelling of 264019745 in words is "two hundred sixty-four million, nineteen thousand, seven hundred forty-five".