4481544256902 has 256 divisors, whose sum is σ = 10894795591680. Its totient is φ = 1360069779456.

The previous prime is 4481544256883. The next prime is 4481544256913. The reversal of 4481544256902 is 2096524451844.

4481544256902 is a `hidden beast` number, since 4 + 4 + 8 + 1 + 544 + 2 + 5 + 6 + 90 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2737656028 + ... + 2737657664.

It is an arithmetic number, because the mean of its divisors is an integer number (42557795280).

Almost surely, 2^{4481544256902} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4481544256902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5447397795840).

4481544256902 is an abundant number, since it is smaller than the sum of its proper divisors (6413251334778).

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

4481544256902 is a wasteful number, since it uses less digits than its factorization.

4481544256902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412 (or 2406 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 54.

The spelling of 4481544256902 in words is "four trillion, four hundred eighty-one billion, five hundred forty-four million, two hundred fifty-six thousand, nine hundred two".