8033385440 has 48 divisors (see below), whose sum is σ = 19977768720. Its totient is φ = 3044229120.

The previous prime is 8033385433. The next prime is 8033385449. The reversal of 8033385440 is 445833308.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 8033385394 and 8033385403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8033385449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1318241 + ... + 1324320.

It is an arithmetic number, because the mean of its divisors is an integer number (416203515).

Almost surely, 2^8033385440 is an apocalyptic number.

8033385440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8033385440 is an abundant number, since it is smaller than the sum of its proper divisors (11944383280).

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

8033385440 is a wasteful number, since it uses less digits than its factorization.

8033385440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642595 (or 2642587 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 8033385440 is about 89629.1550780213. The cubic root of 8033385440 is about 2002.7782588518.

The spelling of 8033385440 in words is "eight billion, thirty-three million, three hundred eighty-five thousand, four hundred forty".