264917642 has 12 divisors (see below), whose sum is σ = 436786098. Its totient is φ = 120417000.

The previous prime is 264917641. The next prime is 264917651. The reversal of 264917642 is 246719462.

264917642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 183358681 + 81558961 = 13541^2 + 9031^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 264917642.

It is not an unprimeable number, because it can be changed into a prime (264917641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 547109 + ... + 547592.

Almost surely, 2^264917642 is an apocalyptic number.

264917642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

264917642 is a deficient number, since it is larger than the sum of its proper divisors (171868456).

264917642 is a wasteful number, since it uses less digits than its factorization.

264917642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094725 (or 1094714 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 264917642 is about 16276.2907936667. The cubic root of 264917642 is about 642.2492812737.

The spelling of 264917642 in words is "two hundred sixty-four million, nine hundred seventeen thousand, six hundred forty-two".