380147820990 has 128 divisors (see below), whose sum is σ = 1095855022080. Its totient is φ = 82514982528.

The previous prime is 380147820989. The next prime is 380147820991. The reversal of 380147820990 is 99028741083.

It is an interprime number because it is at equal distance from previous prime (380147820989) and next prime (380147820991).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380147820991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 388257 + ... + 954483.

It is an arithmetic number, because the mean of its divisors is an integer number (8561367360).

Almost surely, 2^380147820990 is an apocalyptic number.

380147820990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 380147820990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547927511040).

380147820990 is an abundant number, since it is smaller than the sum of its proper divisors (715707201090).

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

380147820990 is a wasteful number, since it uses less digits than its factorization.

380147820990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566406.

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 380147820990 in words is "three hundred eighty billion, one hundred forty-seven million, eight hundred twenty thousand, nine hundred ninety".