443441438136 has 40 divisors (see below), whose sum is σ = 1242046622520. Its totient is φ = 147813812496.

The previous prime is 443441438129. The next prime is 443441438137. The reversal of 443441438136 is 631834144344.

443441438136 is a `hidden beast` number, since 4 + 43 + 4 + 41 + 438 + 136 = 666.

It is a super-2 number, since 2×443441438136² (a number of 24 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 443441438091 and 443441438100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443441438137) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 342160956 + ... + 342162251.

It is an arithmetic number, because the mean of its divisors is an integer number (31051165563).

Almost surely, 2^443441438136 is an apocalyptic number.

It is an amenable number.

443441438136 is an abundant number, since it is smaller than the sum of its proper divisors (798605184384).

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

443441438136 is a wasteful number, since it uses less digits than its factorization.

443441438136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684323225 (or 684323212 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 45.

The spelling of 443441438136 in words is "four hundred forty-three billion, four hundred forty-one million, four hundred thirty-eight thousand, one hundred thirty-six".