264786842 has 4 divisors (see below), whose sum is σ = 397180266. Its totient is φ = 132393420.

The previous prime is 264786839. The next prime is 264786853. The reversal of 264786842 is 248687462.

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., 146434201 + 118352641 = 12101^2 + 10879^2 .

It is a super-2 number, since 2×264786842² = 140224143392665928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66196709 + ... + 66196712.

Almost surely, 2^264786842 is an apocalyptic number.

264786842 is a deficient number, since it is larger than the sum of its proper divisors (132393424).

264786842 is a wasteful number, since it uses less digits than its factorization.

264786842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132393423.

The product of its digits is 1032192, while the sum is 47.

The square root of 264786842 is about 16272.2721830727. The cubic root of 264786842 is about 642.1435628388.

The spelling of 264786842 in words is "two hundred sixty-four million, seven hundred eighty-six thousand, eight hundred forty-two".