801336840 has 96 divisors (see below), whose sum is σ = 2457060480. Its totient is φ = 209074048.

The previous prime is 801336791. The next prime is 801336847. The reversal of 801336840 is 48633108.

801336840 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 2×801336840² = 1284281462282371200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (801336847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263569 + ... + 266591.

It is an arithmetic number, because the mean of its divisors is an integer number (25594380).

Almost surely, 2^801336840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 801336840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1228530240).

801336840 is an abundant number, since it is smaller than the sum of its proper divisors (1655723640).

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

801336840 is a wasteful number, since it uses less digits than its factorization.

801336840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131 (or 3080 counting only the distinct ones).

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

The square root of 801336840 is about 28307.8935987827. The cubic root of 801336840 is about 928.8345674308.

Adding to 801336840 its reverse (48633108), we get a palindrome (849969948).

The spelling of 801336840 in words is "eight hundred one million, three hundred thirty-six thousand, eight hundred forty".