263261205046 has 48 divisors (see below), whose sum is σ = 486682254576. Its totient is φ = 106124573184.

The previous prime is 263261205037. The next prime is 263261205049. The reversal of 263261205046 is 640502162362.

It is a junction number, because it is equal to n+sod(n) for n = 263261204996 and 263261205014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263261205049) 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, 2729826 + ... + 2824618.

It is an arithmetic number, because the mean of its divisors is an integer number (10139213637).

Almost surely, 2^263261205046 is an apocalyptic number.

263261205046 is a deficient number, since it is larger than the sum of its proper divisors (223421049530).

263261205046 is a wasteful number, since it uses less digits than its factorization.

263261205046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96493 (or 96486 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 263261205046 in words is "two hundred sixty-three billion, two hundred sixty-one million, two hundred five thousand, forty-six".