264212642 has 4 divisors (see below), whose sum is σ = 396318966. Its totient is φ = 132106320.

The previous prime is 264212633. The next prime is 264212677. The reversal of 264212642 is 246212462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 197936761 + 66275881 = 14069^2 + 8141^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66053159 + ... + 66053162.

Almost surely, 2^264212642 is an apocalyptic number.

264212642 is a deficient number, since it is larger than the sum of its proper divisors (132106324).

264212642 is a wasteful number, since it uses less digits than its factorization.

264212642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132106323.

The product of its digits is 9216, while the sum is 29.

The square root of 264212642 is about 16254.6190973520. The cubic root of 264212642 is about 641.6790562702.

The spelling of 264212642 in words is "two hundred sixty-four million, two hundred twelve thousand, six hundred forty-two".