439045057 has 8 divisors (see below), whose sum is σ = 487995840. Its totient is φ = 391600560.

The previous prime is 439045021. The next prime is 439045063. The reversal of 439045057 is 750540934.

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 439045057 - 2¹⁹ = 438520769 is a prime.

It is a super-2 number, since 2×439045057² = 385521124152266498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (439045067) 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, 375957 + ... + 377122.

It is an arithmetic number, because the mean of its divisors is an integer number (60999480).

Almost surely, 2^439045057 is an apocalyptic number.

It is an amenable number.

439045057 is a deficient number, since it is larger than the sum of its proper divisors (48950783).

439045057 is a wasteful number, since it uses less digits than its factorization.

439045057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753143.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 439045057 is about 20953.4020388098. The cubic root of 439045057 is about 760.0398507497.

The spelling of 439045057 in words is "four hundred thirty-nine million, forty-five thousand, fifty-seven".