804939939408 has 160 divisors (see below), whose sum is σ = 2275537784832. Its totient is φ = 243162304000.

The previous prime is 804939939367. The next prime is 804939939413.

804939939408 is nontrivially palindromic in base 10.

804939939408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×804939939408² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

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, 275003641 + ... + 275006567.

Almost surely, 2^804939939408 is an apocalyptic number.

804939939408 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804939939408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1137768892416).

804939939408 is an abundant number, since it is smaller than the sum of its proper divisors (1470597845424).

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

804939939408 is a wasteful number, since it uses less digits than its factorization.

With its successor (804939939409) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (4393).

804939939408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393 (or 4387 counting only the distinct ones).

The product of its (nonzero) digits is 60466176, while the sum is 66.

The spelling of 804939939408 in words is "eight hundred four billion, nine hundred thirty-nine million, nine hundred thirty-nine thousand, four hundred eight".