8263038140 has 48 divisors (see below), whose sum is σ = 20205484992. Its totient is φ = 2779585536.

The previous prime is 8263038131. The next prime is 8263038143. The reversal of 8263038140 is 418303628.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 8263038140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8263038143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549389 + ... + 564228.

It is an arithmetic number, because the mean of its divisors is an integer number (420947604).

Almost surely, 2^8263038140 is an apocalyptic number.

It is an amenable number.

8263038140 is an abundant number, since it is smaller than the sum of its proper divisors (11942446852).

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

8263038140 is a wasteful number, since it uses less digits than its factorization.

8263038140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113686 (or 1113684 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 8263038140 is about 90901.2548868276. The cubic root of 8263038140 is about 2021.6838996166.

The spelling of 8263038140 in words is "eight billion, two hundred sixty-three million, thirty-eight thousand, one hundred forty".