3643710465440 has 48 divisors (see below), whose sum is σ = 8608963047048. Its totient is φ = 1457366163456.

The previous prime is 3643710465413. The next prime is 3643710465487. The reversal of 3643710465440 is 445640173463.

It can be written as a sum of positive squares in 4 ways, for example, as 2545901065744 + 1097809399696 = 1595588^2 + 1047764^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1073444 + ... + 2905116.

Almost surely, 2^{3643710465440} is an apocalyptic number.

It is an amenable number.

3643710465440 is an abundant number, since it is smaller than the sum of its proper divisors (4965252581608).

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

3643710465440 is a wasteful number, since it uses less digits than its factorization.

3643710465440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844121 (or 1844113 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 3643710465440 in words is "three trillion, six hundred forty-three billion, seven hundred ten million, four hundred sixty-five thousand, four hundred forty".