8400620616 has 16 divisors (see below), whose sum is σ = 21001551600. Its totient is φ = 2800206864.

The previous prime is 8400620609. The next prime is 8400620621. The reversal of 8400620616 is 6160260048.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175012906 + ... + 175012953.

It is an arithmetic number, because the mean of its divisors is an integer number (1312596975).

Almost surely, 2^8400620616 is an apocalyptic number.

It is an amenable number.

8400620616 is an abundant number, since it is smaller than the sum of its proper divisors (12600930984).

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

8400620616 is a wasteful number, since it uses less digits than its factorization.

8400620616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350025868 (or 350025864 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 8400620616 is about 91654.8995744363. The cubic root of 8400620616 is about 2032.8427752414.

The spelling of 8400620616 in words is "eight billion, four hundred million, six hundred twenty thousand, six hundred sixteen".