1440037872001 has 8 divisors (see below), whose sum is σ = 1457340948360. Its totient is φ = 1422759748608.

The previous prime is 1440037871977. The next prime is 1440037872017. The reversal of 1440037872001 is 1002787300441.

It can be written as a sum of positive squares in 4 ways, for example, as 57755624976 + 1382282247025 = 240324^2 + 1175705^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1440037872001 - 2¹³ = 1440037863809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1440037872071) by changing a digit.

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, 6122116 + ... + 6352981.

It is an arithmetic number, because the mean of its divisors is an integer number (182167618545).

Almost surely, 2^{1440037872001} is an apocalyptic number.

It is an amenable number.

1440037872001 is a deficient number, since it is larger than the sum of its proper divisors (17303076359).

1440037872001 is a wasteful number, since it uses less digits than its factorization.

1440037872001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12476483.

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 1440037872001 in words is "one trillion, four hundred forty billion, thirty-seven million, eight hundred seventy-two thousand, one".