263376442 has 16 divisors (see below), whose sum is σ = 475266240. Its totient is φ = 106934688.

The previous prime is 263376431. The next prime is 263376457. The reversal of 263376442 is 244673362.

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, 494803 + ... + 495334.

It is an arithmetic number, because the mean of its divisors is an integer number (29704140).

Almost surely, 2^263376442 is an apocalyptic number.

263376442 is a deficient number, since it is larger than the sum of its proper divisors (211889798).

263376442 is a wasteful number, since it uses less digits than its factorization.

263376442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990165.

The product of its digits is 145152, while the sum is 37.

The square root of 263376442 is about 16228.8767941592. The cubic root of 263376442 is about 641.0013961839.

The spelling of 263376442 in words is "two hundred sixty-three million, three hundred seventy-six thousand, four hundred forty-two".