4023454442550 has 192 divisors, whose sum is σ = 10653796684800. Its totient is φ = 1002665664000.

The previous prime is 4023454442533. The next prime is 4023454442569. The reversal of 4023454442550 is 552444543204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 31292895 + ... + 31421205.

It is an arithmetic number, because the mean of its divisors is an integer number (55488524400).

Almost surely, 2^{4023454442550} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4023454442550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5326898342400).

4023454442550 is an abundant number, since it is smaller than the sum of its proper divisors (6630342242250).

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

4023454442550 is a wasteful number, since it uses less digits than its factorization.

4023454442550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128559 (or 128554 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 42.

Adding to 4023454442550 its reverse (552444543204), we get a palindrome (4575898985754).

The spelling of 4023454442550 in words is "four trillion, twenty-three billion, four hundred fifty-four million, four hundred forty-two thousand, five hundred fifty".