366440438242944 has 256 divisors, whose sum is σ = 1164741369590400. Its totient is φ = 112747013406720.

The previous prime is 366440438242933. The next prime is 366440438242973. The reversal of 366440438242944 is 449242834044663.

366440438242944 is a `hidden beast` number, since 3 + 6 + 64 + 404 + 3 + 82 + 4 + 2 + 94 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1473648864 + ... + 1473897504.

Almost surely, 2^{366440438242944} 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 366440438242944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582370684795200).

366440438242944 is an abundant number, since it is smaller than the sum of its proper divisors (798300931347456).

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

366440438242944 is a wasteful number, since it uses less digits than its factorization.

366440438242944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281480 (or 281462 counting only the distinct ones).

The product of its (nonzero) digits is 382205952, while the sum is 63.

The spelling of 366440438242944 in words is "three hundred sixty-six trillion, four hundred forty billion, four hundred thirty-eight million, two hundred forty-two thousand, nine hundred forty-four".