263126882140 has 24 divisors (see below), whose sum is σ = 570391178112. Its totient is φ = 101855567040.

The previous prime is 263126882107. The next prime is 263126882159. The reversal of 263126882140 is 41288621362.

It is a happy number.

It is a super-2 number, since 2×263126882140² (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, 212198479 + ... + 212199718.

It is an arithmetic number, because the mean of its divisors is an integer number (23766299088).

Almost surely, 2^263126882140 is an apocalyptic number.

263126882140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

263126882140 is an abundant number, since it is smaller than the sum of its proper divisors (307264295972).

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

263126882140 is a wasteful number, since it uses less digits than its factorization.

263126882140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424398237 (or 424398235 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 263126882140 in words is "two hundred sixty-three billion, one hundred twenty-six million, eight hundred eighty-two thousand, one hundred forty".