1144020001432 has 96 divisors (see below), whose sum is σ = 2726302302720. Its totient is φ = 445032087360.

The previous prime is 1144020001409. The next prime is 1144020001441. The reversal of 1144020001432 is 2341000204411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2584833 + ... + 2994895.

It is an arithmetic number, because the mean of its divisors is an integer number (28398982320).

Almost surely, 2^{1144020001432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144020001432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1363151151360).

1144020001432 is an abundant number, since it is smaller than the sum of its proper divisors (1582282301288).

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

1144020001432 is a wasteful number, since it uses less digits than its factorization.

1144020001432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410741 (or 410730 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1144020001432 its reverse (2341000204411), we get a palindrome (3485020205843).

The spelling of 1144020001432 in words is "one trillion, one hundred forty-four billion, twenty million, one thousand, four hundred thirty-two".