1440020442124 has 24 divisors (see below), whose sum is σ = 2749162198608. Its totient is φ = 654547064640.

The previous prime is 1440020442071. The next prime is 1440020442151. The reversal of 1440020442124 is 4212440200441.

It is a happy number.

It is a super-3 number, since 3×1440020442124³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1440020442092 and 1440020442101.

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 7 ways as a sum of consecutive naturals, for example, 5486022 + ... + 5742514.

It is an arithmetic number, because the mean of its divisors is an integer number (114548424942).

Almost surely, 2^{1440020442124} is an apocalyptic number.

It is an amenable number.

1440020442124 is a deficient number, since it is larger than the sum of its proper divisors (1309141756484).

1440020442124 is a wasteful number, since it uses less digits than its factorization.

1440020442124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384105 (or 384103 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 1440020442124 its reverse (4212440200441), we get a palindrome (5652460642565).

The spelling of 1440020442124 in words is "one trillion, four hundred forty billion, twenty million, four hundred forty-two thousand, one hundred twenty-four".