263840451092 has 24 divisors (see below), whose sum is σ = 472817083200. Its totient is φ = 128754513216.

The previous prime is 263840451079. The next prime is 263840451131. The reversal of 263840451092 is 290154048362.

263840451092 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×263840451092² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 354617 + ... + 808352.

It is an arithmetic number, because the mean of its divisors is an integer number (19700711800).

Almost surely, 2^263840451092 is an apocalyptic number.

It is an amenable number.

263840451092 is a deficient number, since it is larger than the sum of its proper divisors (208976632108).

263840451092 is a wasteful number, since it uses less digits than its factorization.

263840451092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164335 (or 1164333 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 263840451092 in words is "two hundred sixty-three billion, eight hundred forty million, four hundred fifty-one thousand, ninety-two".