8126463280 has 40 divisors (see below), whose sum is σ = 20347416432. Its totient is φ = 3000539904.

The previous prime is 8126463269. The next prime is 8126463307. The reversal of 8126463280 is 823646218.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 3905914 + ... + 3907993.

Almost surely, 2^8126463280 is an apocalyptic number.

8126463280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8126463280 is an abundant number, since it is smaller than the sum of its proper divisors (12220953152).

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

8126463280 is a wasteful number, since it uses less digits than its factorization.

8126463280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7813933 (or 7813927 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 8126463280 is about 90146.8983382124. The cubic root of 8126463280 is about 2010.4835581546.

The spelling of 8126463280 in words is "eight billion, one hundred twenty-six million, four hundred sixty-three thousand, two hundred eighty".