4428612620256 has 48 divisors (see below), whose sum is σ = 12681936142848. Its totient is φ = 1342003824000.

The previous prime is 4428612620213. The next prime is 4428612620287. The reversal of 4428612620256 is 6520262168244.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×4428612620256² (a number of 26 digits) contains 22 as substring.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2096879920 + ... + 2096882031.

It is an arithmetic number, because the mean of its divisors is an integer number (264207002976).

Almost surely, 2^{4428612620256} is an apocalyptic number.

It is an amenable number.

4428612620256 is an abundant number, since it is smaller than the sum of its proper divisors (8253323522592).

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

4428612620256 is a wasteful number, since it uses less digits than its factorization.

4428612620256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4193761975 (or 4193761967 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 48.

The spelling of 4428612620256 in words is "four trillion, four hundred twenty-eight billion, six hundred twelve million, six hundred twenty thousand, two hundred fifty-six".