8115483280 has 20 divisors (see below), whose sum is σ = 18868498812. Its totient is φ = 3246193280.

The previous prime is 8115483269. The next prime is 8115483287. The reversal of 8115483280 is 823845118.

It can be written as a sum of positive squares in 2 ways, for example, as 1454964736 + 6660518544 = 38144^2 + 81612^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×8115483280² (a number of 21 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (8115483287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50721691 + ... + 50721850.

Almost surely, 2^8115483280 is an apocalyptic number.

8115483280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8115483280 is an abundant number, since it is smaller than the sum of its proper divisors (10753015532).

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

8115483280 is a wasteful number, since it uses less digits than its factorization.

8115483280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101443554 (or 101443548 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 8115483280 is about 90085.9771551599. The cubic root of 8115483280 is about 2009.5776675937.

The spelling of 8115483280 in words is "eight billion, one hundred fifteen million, four hundred eighty-three thousand, two hundred eighty".