263354742 has 48 divisors (see below), whose sum is σ = 674612640. Its totient is φ = 72648576.

The previous prime is 263354719. The next prime is 263354743. The reversal of 263354742 is 247453362.

263354742 is a `hidden beast` number, since 263 + 354 + 7 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 263354697 and 263354706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263354743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32383 + ... + 39690.

It is an arithmetic number, because the mean of its divisors is an integer number (14054430).

Almost surely, 2^263354742 is an apocalyptic number.

263354742 is an abundant number, since it is smaller than the sum of its proper divisors (411257898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263354742 is a wasteful number, since it uses less digits than its factorization.

263354742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72117 (or 72114 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 263354742 is about 16228.2082190241. The cubic root of 263354742 is about 640.9837913287.

It can be divided in two parts, 2633 and 54742, that added together give a palindrome (57375).

The spelling of 263354742 in words is "two hundred sixty-three million, three hundred fifty-four thousand, seven hundred forty-two".