380080720 has 40 divisors (see below), whose sum is σ = 885066120. Its totient is φ = 151795200.

The previous prime is 380080717. The next prime is 380080721. The reversal of 380080720 is 27080083.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1700416 + 378380304 = 1304^2 + 19452^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×380080720² = 288922707431436800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380080721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53370 + ... + 60070.

It is an arithmetic number, because the mean of its divisors is an integer number (22126653).

Almost surely, 2^380080720 is an apocalyptic number.

It is an amenable number.

380080720 is an abundant number, since it is smaller than the sum of its proper divisors (504985400).

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

380080720 is a wasteful number, since it uses less digits than its factorization.

380080720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7423 (or 7417 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 380080720 is about 19495.6590039937. The cubic root of 380080720 is about 724.3669273437.

The spelling of 380080720 in words is "three hundred eighty million, eighty thousand, seven hundred twenty".