8715486240 has 72 divisors (see below), whose sum is σ = 29741601708. Its totient is φ = 2324129280.

The previous prime is 8715486239. The next prime is 8715486251. The reversal of 8715486240 is 426845178.

8715486240 is a `hidden beast` number, since 8 + 7 + 1 + 548 + 62 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8602191504 + 113294736 = 92748^2 + 10644^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3024771 + ... + 3027650.

Almost surely, 2^8715486240 is an apocalyptic number.

8715486240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8715486240 is an abundant number, since it is smaller than the sum of its proper divisors (21026115468).

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

8715486240 is a wasteful number, since it uses less digits than its factorization.

8715486240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6052442 (or 6052431 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 8715486240 is about 93356.7685816085. The cubic root of 8715486240 is about 2057.9297264266.

The spelling of 8715486240 in words is "eight billion, seven hundred fifteen million, four hundred eighty-six thousand, two hundred forty".