262630042 has 16 divisors (see below), whose sum is σ = 417831912. Its totient is φ = 123379200.

The previous prime is 262630037. The next prime is 262630079. The reversal of 262630042 is 240036262.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 156725361 + 105904681 = 12519^2 + 10291^2 .

It is a junction number, because it is equal to n+sod(n) for n = 262629989 and 262630016.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14542 + ... + 27142.

Almost surely, 2^262630042 is an apocalyptic number.

262630042 is a deficient number, since it is larger than the sum of its proper divisors (155201870).

262630042 is a wasteful number, since it uses less digits than its factorization.

262630042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13233.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 262630042 is about 16205.8644323590. The cubic root of 262630042 is about 640.3952977851.

The spelling of 262630042 in words is "two hundred sixty-two million, six hundred thirty thousand, forty-two".