8400488520 has 32 divisors (see below), whose sum is σ = 25201465920. Its totient is φ = 2240130240.

The previous prime is 8400488507. The next prime is 8400488521. The reversal of 8400488520 is 258840048.

It is not an unprimeable number, because it can be changed into a prime (8400488521) 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, 35001916 + ... + 35002155.

It is an arithmetic number, because the mean of its divisors is an integer number (787545810).

Almost surely, 2^8400488520 is an apocalyptic number.

It is an amenable number.

8400488520 is an abundant number, since it is smaller than the sum of its proper divisors (16800977400).

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

8400488520 is a wasteful number, since it uses less digits than its factorization.

8400488520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70004085 (or 70004081 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 39.

The square root of 8400488520 is about 91654.1789554628. The cubic root of 8400488520 is about 2032.8321200045.

The spelling of 8400488520 in words is "eight billion, four hundred million, four hundred eighty-eight thousand, five hundred twenty".