4420734721536 has 320 divisors, whose sum is σ = 13904417488896. Its totient is φ = 1221383577600.

The previous prime is 4420734721499. The next prime is 4420734721547. The reversal of 4420734721536 is 6351274370244.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510296341 + ... + 510305003.

Almost surely, 2^{4420734721536} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4420734721536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6952208744448).

4420734721536 is an abundant number, since it is smaller than the sum of its proper divisors (9483682767360).

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

4420734721536 is a wasteful number, since it uses less digits than its factorization.

4420734721536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10253 (or 10237 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 48.

The spelling of 4420734721536 in words is "four trillion, four hundred twenty billion, seven hundred thirty-four million, seven hundred twenty-one thousand, five hundred thirty-six".