263042108040 has 64 divisors (see below), whose sum is σ = 789223694400. Its totient is φ = 70135907072.

The previous prime is 263042107969. The next prime is 263042108057. The reversal of 263042108040 is 40801240362.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 263042107989 and 263042108007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872506 + ... + 1134614.

It is an arithmetic number, because the mean of its divisors is an integer number (12331620225).

Almost surely, 2^263042108040 is an apocalyptic number.

263042108040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

263042108040 is an abundant number, since it is smaller than the sum of its proper divisors (526181586360).

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

263042108040 is a wasteful number, since it uses less digits than its factorization.

263042108040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270486 (or 270482 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 263042108040 in words is "two hundred sixty-three billion, forty-two million, one hundred eight thousand, forty".