1440041232040 has 16 divisors (see below), whose sum is σ = 3240092772180. Its totient is φ = 576016492800.

The previous prime is 1440041232013. The next prime is 1440041232131. The reversal of 1440041232040 is 402321400441.

It can be written as a sum of positive squares in 2 ways, for example, as 1343545264996 + 96495967044 = 1159114^2 + 310638^2 .

It is a super-2 number, since 2×1440041232040² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1440041231996 and 1440041232014.

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 3 ways as a sum of consecutive naturals, for example, 18000515361 + ... + 18000515440.

Almost surely, 2^{1440041232040} is an apocalyptic number.

1440041232040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1440041232040 is an abundant number, since it is smaller than the sum of its proper divisors (1800051540140).

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

1440041232040 is a wasteful number, since it uses less digits than its factorization.

1440041232040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36001030812 (or 36001030808 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1440041232040 its reverse (402321400441), we get a palindrome (1842362632481).

The spelling of 1440041232040 in words is "one trillion, four hundred forty billion, forty-one million, two hundred thirty-two thousand, forty".