8408447513320 has 32 divisors (see below), whose sum is σ = 18947979409320. Its totient is φ = 3358228337920.

The previous prime is 8408447513269. The next prime is 8408447513321. The reversal of 8408447513320 is 233157448048.

It can be written as a sum of positive squares in 4 ways, for example, as 6197022741924 + 2211424771396 = 2489382^2 + 1487086^2 .

It is not an unprimeable number, because it can be changed into a prime (8408447513321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160931911 + ... + 160984150.

Almost surely, 2^{8408447513320} is an apocalyptic number.

It is an amenable number.

8408447513320 is an abundant number, since it is smaller than the sum of its proper divisors (10539531896000).

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

8408447513320 is a wasteful number, since it uses less digits than its factorization.

8408447513320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321916725 (or 321916721 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 49.

The spelling of 8408447513320 in words is "eight trillion, four hundred eight billion, four hundred forty-seven million, five hundred thirteen thousand, three hundred twenty".