279995042 has 8 divisors (see below), whose sum is σ = 421041132. Its totient is φ = 139648000.

The previous prime is 279995041. The next prime is 279995047. The reversal of 279995042 is 240599972.

It can be written as a sum of positive squares in 2 ways, for example, as 214886281 + 65108761 = 14659^2 + 8069^2 .

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

It is not an unprimeable number, because it can be changed into a prime (279995041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173759 + ... + 175362.

Almost surely, 2^279995042 is an apocalyptic number.

279995042 is a deficient number, since it is larger than the sum of its proper divisors (141046090).

279995042 is a wasteful number, since it uses less digits than its factorization.

279995042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349524.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 279995042 is about 16733.0523814396. The cubic root of 279995042 is about 654.2094005990.

The spelling of 279995042 in words is "two hundred seventy-nine million, nine hundred ninety-five thousand, forty-two".