263040455 has 8 divisors (see below), whose sum is σ = 316310400. Its totient is φ = 209991136.

The previous prime is 263040409. The next prime is 263040493. The reversal of 263040455 is 554040362.

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

It is a cyclic number.

It is not a de Polignac number, because 263040455 - 2¹⁶ = 262974919 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52520 + ... + 57309.

It is an arithmetic number, because the mean of its divisors is an integer number (39538800).

Almost surely, 2^263040455 is an apocalyptic number.

263040455 is a deficient number, since it is larger than the sum of its proper divisors (53269945).

263040455 is a wasteful number, since it uses less digits than its factorization.

263040455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110313.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 263040455 is about 16218.5219733489. The cubic root of 263040455 is about 640.7287069227.

The spelling of 263040455 in words is "two hundred sixty-three million, forty thousand, four hundred fifty-five".