8126443556 has 48 divisors (see below), whose sum is σ = 17752519680. Its totient is φ = 3162201120.

The previous prime is 8126443543. The next prime is 8126443561. The reversal of 8126443556 is 6553446218.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 237455 + ... + 269513.

It is an arithmetic number, because the mean of its divisors is an integer number (369844160).

Almost surely, 2^8126443556 is an apocalyptic number.

It is an amenable number.

8126443556 is an abundant number, since it is smaller than the sum of its proper divisors (9626076124).

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

8126443556 is a wasteful number, since it uses less digits than its factorization.

8126443556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32904 (or 32902 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

The square root of 8126443556 is about 90146.7889389300. The cubic root of 8126443556 is about 2010.4819315835.

The spelling of 8126443556 in words is "eight billion, one hundred twenty-six million, four hundred forty-three thousand, five hundred fifty-six".