263120242 has 16 divisors (see below), whose sum is σ = 492069312. Its totient is φ = 102514320.

The previous prime is 263120233. The next prime is 263120257. The reversal of 263120242 is 242021362.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854133 + ... + 854440.

It is an arithmetic number, because the mean of its divisors is an integer number (30754332).

Almost surely, 2^263120242 is an apocalyptic number.

263120242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

263120242 is a deficient number, since it is larger than the sum of its proper divisors (228949070).

263120242 is a wasteful number, since it uses less digits than its factorization.

263120242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708593.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 263120242 is about 16220.9815362696. The cubic root of 263120242 is about 640.7934835915.

It can be divided in two parts, 263120 and 242, that added together give a palindrome (263362).

The spelling of 263120242 in words is "two hundred sixty-three million, one hundred twenty thousand, two hundred forty-two".