4380720018 has 8 divisors (see below), whose sum is σ = 8761440048. Its totient is φ = 1460240004.

The previous prime is 4380720017. The next prime is 4380720053. The reversal of 4380720018 is 8100270834.

It is a sphenic number, since it is the product of 3 distinct primes.

4380720018 is an admirable number.

It is a super-2 number, since 2×4380720018² = 38381415752211840648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4380720017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365059996 + ... + 365060007.

It is an arithmetic number, because the mean of its divisors is an integer number (1095180006).

Almost surely, 2^4380720018 is an apocalyptic number.

4380720018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4380720018 is a wasteful number, since it uses less digits than its factorization.

4380720018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730120008.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 4380720018 is about 66187.0079245164. The cubic root of 4380720018 is about 1636.2456278496.

The spelling of 4380720018 in words is "four billion, three hundred eighty million, seven hundred twenty thousand, eighteen".