899611632480 has 576 divisors, whose sum is σ = 3268398809088. Its totient is φ = 207567360000.

The previous prime is 899611632427. The next prime is 899611632481. The reversal of 899611632480 is 84236116998.

It is a self number, because there is not a number n which added to its sum of digits gives 899611632480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899611632481) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 109825185 + ... + 109833375.

It is an arithmetic number, because the mean of its divisors is an integer number (5674303488).

Almost surely, 2^899611632480 is an apocalyptic number.

899611632480 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 899611632480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634199404544).

899611632480 is an abundant number, since it is smaller than the sum of its proper divisors (2368787176608).

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

899611632480 is a wasteful number, since it uses less digits than its factorization.

899611632480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8323 (or 8304 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 57.

The spelling of 899611632480 in words is "eight hundred ninety-nine billion, six hundred eleven million, six hundred thirty-two thousand, four hundred eighty".