4551320000 has 70 divisors (see below), whose sum is σ = 11285893608. Its totient is φ = 1820512000.

The previous prime is 4551319979. The next prime is 4551320009. The reversal of 4551320000 is 231554.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4551320009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16892 + ... + 96891.

Almost surely, 2^4551320000 is an apocalyptic number.

4551320000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4551320000 is an abundant number, since it is smaller than the sum of its proper divisors (6734573608).

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

4551320000 is an equidigital number, since it uses as much as digits as its factorization.

4551320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113815 (or 113790 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 4551320000 is about 67463.4715975987. The cubic root of 4551320000 is about 1657.2160236083.

Adding to 4551320000 its reverse (231554), we get a palindrome (4551551554).

The spelling of 4551320000 in words is "four billion, five hundred fifty-one million, three hundred twenty thousand".