489632637200 has 960 divisors, whose sum is σ = 1529235456000. Its totient is φ = 149971046400.

The previous prime is 489632637199. The next prime is 489632637209. The reversal of 489632637200 is 2736236984.

It is a super-2 number, since 2×489632637200² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (489632637209) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5899188359 + ... + 5899188441.

It is an arithmetic number, because the mean of its divisors is an integer number (1592953600).

Almost surely, 2^489632637200 is an apocalyptic number.

489632637200 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 489632637200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764617728000).

489632637200 is an abundant number, since it is smaller than the sum of its proper divisors (1039602818800).

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

489632637200 is a wasteful number, since it uses less digits than its factorization.

489632637200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 489632637200 in words is "four hundred eighty-nine billion, six hundred thirty-two million, six hundred thirty-seven thousand, two hundred".