4428140225520 has 320 divisors, whose sum is σ = 15195817405440. Its totient is φ = 1057768243200.

The previous prime is 4428140225497. The next prime is 4428140225557. The reversal of 4428140225520 is 255220418244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58604565 + ... + 58680075.

It is an arithmetic number, because the mean of its divisors is an integer number (47486929392).

Almost surely, 2^{4428140225520} is an apocalyptic number.

4428140225520 is a gapful number since it is divisible by the number (40) 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 4428140225520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7597908702720).

4428140225520 is an abundant number, since it is smaller than the sum of its proper divisors (10767677179920).

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

4428140225520 is a wasteful number, since it uses less digits than its factorization.

4428140225520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75864 (or 75858 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 39.

The spelling of 4428140225520 in words is "four trillion, four hundred twenty-eight billion, one hundred forty million, two hundred twenty-five thousand, five hundred twenty".