840037904046 has 24 divisors (see below), whose sum is σ = 1985544137304. Its totient is φ = 254556940560.

The previous prime is 840037904039. The next prime is 840037904063. The reversal of 840037904046 is 640409730048.

840037904046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 840037903992 and 840037904010.

It is a congruent number.

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, 2121307641 + ... + 2121308036.

It is an arithmetic number, because the mean of its divisors is an integer number (82731005721).

Almost surely, 2^840037904046 is an apocalyptic number.

840037904046 is an abundant number, since it is smaller than the sum of its proper divisors (1145506233258).

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

840037904046 is a wasteful number, since it uses less digits than its factorization.

840037904046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242615696 (or 4242615693 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 840037904046 in words is "eight hundred forty billion, thirty-seven million, nine hundred four thousand, forty-six".