4788228320440 has 64 divisors (see below), whose sum is σ = 10815377126400. Its totient is φ = 1907856770688.

The previous prime is 4788228320431. The next prime is 4788228320461. The reversal of 4788228320440 is 440238228874.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19612641 + ... + 19855279.

It is an arithmetic number, because the mean of its divisors is an integer number (168990267600).

Almost surely, 2^{4788228320440} is an apocalyptic number.

4788228320440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4788228320440 is an abundant number, since it is smaller than the sum of its proper divisors (6027148805960).

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

4788228320440 is a wasteful number, since it uses less digits than its factorization.

4788228320440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244564 (or 244560 counting only the distinct ones).

The product of its (nonzero) digits is 5505024, while the sum is 52.

The spelling of 4788228320440 in words is "four trillion, seven hundred eighty-eight billion, two hundred twenty-eight million, three hundred twenty thousand, four hundred forty".