380140439 has 16 divisors (see below), whose sum is σ = 450265920. Its totient is φ = 314012160.

The previous prime is 380140399. The next prime is 380140441. The reversal of 380140439 is 934041083.

It is a de Polignac number, because none of the positive numbers 2^k-380140439 is a prime.

It is a super-2 number, since 2×380140439² = 289013506726225442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380140469) 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 15 ways as a sum of consecutive naturals, for example, 132767 + ... + 135599.

It is an arithmetic number, because the mean of its divisors is an integer number (28141620).

Almost surely, 2^380140439 is an apocalyptic number.

380140439 is a deficient number, since it is larger than the sum of its proper divisors (70125481).

380140439 is a wasteful number, since it uses less digits than its factorization.

380140439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3530.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 380140439 is about 19497.1905412036. The cubic root of 380140439 is about 724.4048633231.

The spelling of 380140439 in words is "three hundred eighty million, one hundred forty thousand, four hundred thirty-nine".