263460042844 has 6 divisors (see below), whose sum is σ = 461055074984. Its totient is φ = 131730021420.

The previous prime is 263460042799. The next prime is 263460042847. The reversal of 263460042844 is 448240064362.

It is a super-2 number, since 2×263460042844² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 263460042844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263460042847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32932505352 + ... + 32932505359.

Almost surely, 2^263460042844 is an apocalyptic number.

It is an amenable number.

263460042844 is a deficient number, since it is larger than the sum of its proper divisors (197595032140).

263460042844 is a wasteful number, since it uses less digits than its factorization.

263460042844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65865010715 (or 65865010713 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 43.

The spelling of 263460042844 in words is "two hundred sixty-three billion, four hundred sixty million, forty-two thousand, eight hundred forty-four".