380016780 has 144 divisors (see below), whose sum is σ = 1257306624. Its totient is φ = 85013760.

The previous prime is 380016727. The next prime is 380016811. The reversal of 380016780 is 87610083.

380016780 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 109837 + ... + 113243.

It is an arithmetic number, because the mean of its divisors is an integer number (8731296).

Almost surely, 2^380016780 is an apocalyptic number.

380016780 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 380016780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628653312).

380016780 is an abundant number, since it is smaller than the sum of its proper divisors (877289844).

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

380016780 is a wasteful number, since it uses less digits than its factorization.

380016780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456 (or 3441 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 380016780 is about 19494.0190827854. The cubic root of 380016780 is about 724.3263056052.

The spelling of 380016780 in words is "three hundred eighty million, sixteen thousand, seven hundred eighty".