380442647851 has 8 divisors (see below), whose sum is σ = 442995213024. Its totient is φ = 319940986560.

The previous prime is 380442647831. The next prime is 380442647857. The reversal of 380442647851 is 158746244083.

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

It is a cyclic number.

It is not a de Polignac number, because 380442647851 - 2⁷ = 380442647723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (380442647857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512725570 + ... + 512726311.

It is an arithmetic number, because the mean of its divisors is an integer number (55374401628).

Almost surely, 2^380442647851 is an apocalyptic number.

380442647851 is a deficient number, since it is larger than the sum of its proper divisors (62552565173).

380442647851 is a wasteful number, since it uses less digits than its factorization.

380442647851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025451941.

The product of its (nonzero) digits is 5160960, while the sum is 52.

The spelling of 380442647851 in words is "three hundred eighty billion, four hundred forty-two million, six hundred forty-seven thousand, eight hundred fifty-one".