4444454220534 has 24 divisors (see below), whose sum is σ = 10136474538840. Its totient is φ = 1403511859008.

The previous prime is 4444454220449. The next prime is 4444454220539. The reversal of 4444454220534 is 4350224544444.

4444454220534 is a `hidden beast` number, since 4 + 4 + 4 + 44 + 54 + 2 + 20 + 534 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 4444454220534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444454220539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6497739747 + ... + 6497740430.

It is an arithmetic number, because the mean of its divisors is an integer number (422353105785).

Almost surely, 2^{4444454220534} is an apocalyptic number.

4444454220534 is an abundant number, since it is smaller than the sum of its proper divisors (5692020318306).

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

4444454220534 is a wasteful number, since it uses less digits than its factorization.

4444454220534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12995480204 (or 12995480201 counting only the distinct ones).

The product of its (nonzero) digits is 4915200, while the sum is 45.

Adding to 4444454220534 its reverse (4350224544444), we get a palindrome (8794678764978).

The spelling of 4444454220534 in words is "four trillion, four hundred forty-four billion, four hundred fifty-four million, two hundred twenty thousand, five hundred thirty-four".