380442837447 has 64 divisors (see below), whose sum is σ = 580342320000. Its totient is φ = 246222028800.

The previous prime is 380442837431. The next prime is 380442837469. The reversal of 380442837447 is 744738244083.

380442837447 is a `hidden beast` number, since 3 + 80 + 4 + 42 + 83 + 7 + 447 = 666.

It is not a de Polignac number, because 380442837447 - 2⁴ = 380442837431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 380442837393 and 380442837402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380442837847) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93957679 + ... + 93961727.

It is an arithmetic number, because the mean of its divisors is an integer number (9067848750).

Almost surely, 2^380442837447 is an apocalyptic number.

380442837447 is a deficient number, since it is larger than the sum of its proper divisors (199899482553).

380442837447 is a wasteful number, since it uses less digits than its factorization.

380442837447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4849 (or 4843 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 54.

The spelling of 380442837447 in words is "three hundred eighty billion, four hundred forty-two million, eight hundred thirty-seven thousand, four hundred forty-seven".