4423549539906 has 96 divisors (see below), whose sum is σ = 11027538063360. Its totient is φ = 1255359991392.

The previous prime is 4423549539863. The next prime is 4423549539947. The reversal of 4423549539906 is 6099359453244.

4423549539906 is a `hidden beast` number, since 4 + 4 + 2 + 3 + 5 + 4 + 9 + 539 + 90 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12269725 + ... + 12625103.

It is an arithmetic number, because the mean of its divisors is an integer number (114870188160).

Almost surely, 2^{4423549539906} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4423549539906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5513769031680).

4423549539906 is an abundant number, since it is smaller than the sum of its proper divisors (6603988523454).

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

4423549539906 is a wasteful number, since it uses less digits than its factorization.

4423549539906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356060 (or 356057 counting only the distinct ones).

The product of its (nonzero) digits is 125971200, while the sum is 63.

The spelling of 4423549539906 in words is "four trillion, four hundred twenty-three billion, five hundred forty-nine million, five hundred thirty-nine thousand, nine hundred six".