840448926 has 64 divisors (see below), whose sum is σ = 1991040000. Its totient is φ = 262020096.

The previous prime is 840448919. The next prime is 840448951. The reversal of 840448926 is 629844048.

840448926 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75870 + ... + 86238.

It is an arithmetic number, because the mean of its divisors is an integer number (31110000).

Almost surely, 2^840448926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 840448926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (995520000).

840448926 is an abundant number, since it is smaller than the sum of its proper divisors (1150591074).

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

840448926 is a wasteful number, since it uses less digits than its factorization.

840448926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10478 (or 10472 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 840448926 is about 28990.4971671753. The cubic root of 840448926 is about 943.7068530718.

The spelling of 840448926 in words is "eight hundred forty million, four hundred forty-eight thousand, nine hundred twenty-six".