4665239040 has 800 divisors, whose sum is σ = 19805803776. Its totient is φ = 927252480.

The previous prime is 4665238999. The next prime is 4665239053. The reversal of 4665239040 is 409325664.

It is a self number, because there is not a number n which added to its sum of digits gives 4665239040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 202836469 + ... + 202836491.

Almost surely, 2^4665239040 is an apocalyptic number.

4665239040 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 4665239040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9902901888).

4665239040 is an abundant number, since it is smaller than the sum of its proper divisors (15140564736).

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

4665239040 is an equidigital number, since it uses as much as digits as its factorization.

4665239040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 4665239040 is about 68302.5551498624. Note that the first 3 decimals coincide. The cubic root of 4665239040 is about 1670.9288867077.

The spelling of 4665239040 in words is "four billion, six hundred sixty-five million, two hundred thirty-nine thousand, forty".