8403801840 has 800 divisors, whose sum is σ = 36009600000. Its totient is φ = 1810626048.

The previous prime is 8403801799. The next prime is 8403801841. The reversal of 8403801840 is 481083048.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8403801795 and 8403801804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8403801841) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 42230061 + ... + 42230259.

It is an arithmetic number, because the mean of its divisors is an integer number (45012000).

Almost surely, 2^8403801840 is an apocalyptic number.

8403801840 is a gapful number since it is divisible by the number (80) 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 8403801840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18004800000).

8403801840 is an abundant number, since it is smaller than the sum of its proper divisors (27605798160).

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

8403801840 is a wasteful number, since it uses less digits than its factorization.

8403801840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 8403801840 is about 91672.2522904286. The cubic root of 8403801840 is about 2033.0993480342.

Adding to 8403801840 its reverse (481083048), we get a palindrome (8884884888).

The spelling of 8403801840 in words is "eight billion, four hundred three million, eight hundred one thousand, eight hundred forty".