439870945500 has 672 divisors, whose sum is σ = 1743126473088. Its totient is φ = 94618368000.

The previous prime is 439870945499. The next prime is 439870945511. The reversal of 439870945500 is 5549078934.

439870945500 is a `hidden beast` number, since 4 + 3 + 9 + 87 + 0 + 9 + 4 + 550 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 43370430 + ... + 43380570.

It is an arithmetic number, because the mean of its divisors is an integer number (2593938204).

Almost surely, 2^439870945500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 439870945500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871563236544).

439870945500 is an abundant number, since it is smaller than the sum of its proper divisors (1303255527588).

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

439870945500 is a wasteful number, since it uses less digits than its factorization.

439870945500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10202 (or 10175 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 439870945500 in words is "four hundred thirty-nine billion, eight hundred seventy million, nine hundred forty-five thousand, five hundred".