1440144441432 has 32 divisors (see below), whose sum is σ = 4000401226800. Its totient is φ = 480048147072.

The previous prime is 1440144441427. The next prime is 1440144441433. The reversal of 1440144441432 is 2341444410441.

1440144441432 is a `hidden beast` number, since 1 + 4 + 40 + 144 + 4 + 41 + 432 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440144441433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3333667473 + ... + 3333667904.

Almost surely, 2^{1440144441432} is an apocalyptic number.

1440144441432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1440144441432 is an abundant number, since it is smaller than the sum of its proper divisors (2560256785368).

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

1440144441432 is a wasteful number, since it uses less digits than its factorization.

1440144441432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6667335392 (or 6667335382 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 1440144441432 its reverse (2341444410441), we get a palindrome (3781588851873).

The spelling of 1440144441432 in words is "one trillion, four hundred forty billion, one hundred forty-four million, four hundred forty-one thousand, four hundred thirty-two".