4032381227648 has 64 divisors (see below), whose sum is σ = 8559981973800. Its totient is φ = 1885504438272.

The previous prime is 4032381227647. The next prime is 4032381227723. The reversal of 4032381227648 is 8467221832304.

It can be written as a sum of positive squares in 4 ways, for example, as 2286410119744 + 1745971107904 = 1512088^2 + 1321352^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×4032381227648² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4032381227596 and 4032381227605.

It is not an unprimeable number, because it can be changed into a prime (4032381227647) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5560013 + ... + 6243276.

Almost surely, 2^{4032381227648} is an apocalyptic number.

It is an amenable number.

4032381227648 is an abundant number, since it is smaller than the sum of its proper divisors (4527600746152).

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

4032381227648 is a wasteful number, since it uses less digits than its factorization.

4032381227648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11803477 (or 11803465 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 50.

The spelling of 4032381227648 in words is "four trillion, thirty-two billion, three hundred eighty-one million, two hundred twenty-seven thousand, six hundred forty-eight".