1440441430032 has 160 divisors (see below), whose sum is σ = 4121065806336. Its totient is φ = 429887001600.

The previous prime is 1440441429997. The next prime is 1440441430081. The reversal of 1440441430032 is 2300341440441.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26606863 + ... + 26660945.

Almost surely, 2^{1440441430032} is an apocalyptic number.

1440441430032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1440441430032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2060532903168).

1440441430032 is an abundant number, since it is smaller than the sum of its proper divisors (2680624376304).

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

1440441430032 is a wasteful number, since it uses less digits than its factorization.

1440441430032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54869 (or 54863 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1440441430032 its reverse (2300341440441), we get a palindrome (3740782870473).

The spelling of 1440441430032 in words is "one trillion, four hundred forty billion, four hundred forty-one million, four hundred thirty thousand, thirty-two".