380551680 has 240 divisors, whose sum is σ = 1340539200. Its totient is φ = 99753984.

The previous prime is 380551667. The next prime is 380551723. The reversal of 380551680 is 86155083.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1912221 + ... + 1912419.

It is an arithmetic number, because the mean of its divisors is an integer number (5585580).

Almost surely, 2^380551680 is an apocalyptic number.

380551680 is a gapful number since it is divisible by the number (30) 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 380551680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670269600).

380551680 is an abundant number, since it is smaller than the sum of its proper divisors (959987520).

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

380551680 is a wasteful number, since it uses less digits than its factorization.

380551680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 380551680 is about 19507.7338509628. The cubic root of 380551680 is about 724.6659927975.

The spelling of 380551680 in words is "three hundred eighty million, five hundred fifty-one thousand, six hundred eighty".