439945011 has 12 divisors (see below), whose sum is σ = 693246840. Its totient is φ = 266633280.

The previous prime is 439945003. The next prime is 439945013. The reversal of 439945011 is 110549934.

It is a happy number.

It is not a de Polignac number, because 439945011 - 2³ = 439945003 is a prime.

It is a super-2 number, since 2×439945011² = 387103225407580242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (439945013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2221846 + ... + 2222043.

It is an arithmetic number, because the mean of its divisors is an integer number (57770570).

Almost surely, 2^439945011 is an apocalyptic number.

439945011 is a deficient number, since it is larger than the sum of its proper divisors (253301829).

439945011 is a wasteful number, since it uses less digits than its factorization.

439945011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443906 (or 4443903 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 439945011 is about 20974.8661735898. The cubic root of 439945011 is about 760.5588059000.

The spelling of 439945011 in words is "four hundred thirty-nine million, nine hundred forty-five thousand, eleven".