380040851 has 4 divisors (see below), whose sum is σ = 383730672. Its totient is φ = 376351032.

The previous prime is 380040833. The next prime is 380040883. The reversal of 380040851 is 158040083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 380040851 - 2²⁶ = 312931987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380040821) 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 3 ways as a sum of consecutive naturals, for example, 1844756 + ... + 1844961.

It is an arithmetic number, because the mean of its divisors is an integer number (95932668).

Almost surely, 2^380040851 is an apocalyptic number.

380040851 is a deficient number, since it is larger than the sum of its proper divisors (3689821).

380040851 is a wasteful number, since it uses less digits than its factorization.

380040851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3689820.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 380040851 is about 19494.6364675005. The cubic root of 380040851 is about 724.3415986934.

The spelling of 380040851 in words is "three hundred eighty million, forty thousand, eight hundred fifty-one".