4425402421044 has 192 divisors, whose sum is σ = 12700103270400. Its totient is φ = 1321359177600.

The previous prime is 4425402420913. The next prime is 4425402421049. The reversal of 4425402421044 is 4401242045244.

4425402421044 is a `hidden beast` number, since 4 + 4 + 2 + 540 + 2 + 4 + 2 + 104 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4425402421049) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 150883909 + ... + 150913235.

It is an arithmetic number, because the mean of its divisors is an integer number (66146371200).

Almost surely, 2^{4425402421044} is an apocalyptic number.

4425402421044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4425402421044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6350051635200).

4425402421044 is an abundant number, since it is smaller than the sum of its proper divisors (8274700849356).

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

4425402421044 is a wasteful number, since it uses less digits than its factorization.

4425402421044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31211 (or 31203 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 36.

Adding to 4425402421044 its reverse (4401242045244), we get a palindrome (8826644466288).

The spelling of 4425402421044 in words is "four trillion, four hundred twenty-five billion, four hundred two million, four hundred twenty-one thousand, forty-four".