4636999680 has 272 divisors, whose sum is σ = 15288121440. Its totient is φ = 1199570944.

The previous prime is 4636999651. The next prime is 4636999687. The reversal of 4636999680 is 869996364.

It is a happy number.

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 (4636999687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52101076 + ... + 52101164.

Almost surely, 2^4636999680 is an apocalyptic number.

4636999680 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 4636999680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7644060720).

4636999680 is an abundant number, since it is smaller than the sum of its proper divisors (10651121760).

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

4636999680 is an frugal number, since it uses more digits than its factorization.

4636999680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 60.

The square root of 4636999680 is about 68095.5187952922. The cubic root of 4636999680 is about 1667.5506038213.

The spelling of 4636999680 in words is "four billion, six hundred thirty-six million, nine hundred ninety-nine thousand, six hundred eighty".