439242864516 has 27 divisors (see below), whose sum is σ = 1110318403831. Its totient is φ = 146412962664.

The previous prime is 439242864509. The next prime is 439242864523. The reversal of 439242864516 is 615468242934.

The square root of 439242864516 is 662754.

It is a perfect power (a square), and thus also a powerful number.

439242864516 is a `hidden beast` number, since 4 + 3 + 9 + 2 + 42 + 86 + 4 + 516 = 666.

It is an interprime number because it is at equal distance from previous prime (439242864509) and next prime (439242864523).

It is a super-2 number, since 2×439242864516² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3921295 + ... + 4031753.

Almost surely, 2^439242864516 is an apocalyptic number.

439242864516 is the 662754-th square number.

It is an amenable number.

439242864516 is an abundant number, since it is smaller than the sum of its proper divisors (671075539315).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

439242864516 is an frugal number, since it uses more digits than its factorization.

439242864516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220928 (or 110464 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The spelling of 439242864516 in words is "four hundred thirty-nine billion, two hundred forty-two million, eight hundred sixty-four thousand, five hundred sixteen".