380869042 has 16 divisors (see below), whose sum is σ = 577442232. Its totient is φ = 188398080.

The previous prime is 380869039. The next prime is 380869043. The reversal of 380869042 is 240968083.

It can be written as a sum of positive squares in 4 ways, for example, as 200477281 + 180391761 = 14159^2 + 13431^2 .

It is a super-2 number, since 2×380869042² = 290122454307995528, which contains 22 as substring.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 380868986 and 380869004.

It is not an unprimeable number, because it can be changed into a prime (380869043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83542 + ... + 87982.

Almost surely, 2^380869042 is an apocalyptic number.

380869042 is a deficient number, since it is larger than the sum of its proper divisors (196573190).

380869042 is a wasteful number, since it uses less digits than its factorization.

380869042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 380869042 is about 19515.8664168415. The cubic root of 380869042 is about 724.8673824810.

The spelling of 380869042 in words is "three hundred eighty million, eight hundred sixty-nine thousand, forty-two".