840100016 has 40 divisors (see below), whose sum is σ = 1969650720. Its totient is φ = 338863104.

The previous prime is 840100007. The next prime is 840100039. The reversal of 840100016 is 610001048.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218711 + ... + 222518.

It is an arithmetic number, because the mean of its divisors is an integer number (49241268).

Almost surely, 2^840100016 is an apocalyptic number.

It is an amenable number.

840100016 is an abundant number, since it is smaller than the sum of its proper divisors (1129550704).

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

840100016 is a wasteful number, since it uses less digits than its factorization.

840100016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441261 (or 441255 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 840100016 is about 28984.4788809459. The cubic root of 840100016 is about 943.5762425836.

The spelling of 840100016 in words is "eight hundred forty million, one hundred thousand, sixteen".