4809665639040 has 256 divisors, whose sum is σ = 15691468003200. Its totient is φ = 1252420485120.

The previous prime is 4809665639017. The next prime is 4809665639041. The reversal of 4809665639040 is 409365669084.

It is a super-3 number, since 3×4809665639040³ (a number of 39 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (4809665639041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 574695976 + ... + 574704344.

Almost surely, 2^{4809665639040} is an apocalyptic number.

4809665639040 is a gapful number since it is divisible by the number (40) 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 4809665639040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7845734001600).

4809665639040 is an abundant number, since it is smaller than the sum of its proper divisors (10881802364160).

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

4809665639040 is a wasteful number, since it uses less digits than its factorization.

4809665639040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15395 (or 15383 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 60.

The spelling of 4809665639040 in words is "four trillion, eight hundred nine billion, six hundred sixty-five million, six hundred thirty-nine thousand, forty".