1144401001000 has 32 divisors (see below), whose sum is σ = 2677898344680. Its totient is φ = 457760400000.

The previous prime is 1144401000979. The next prime is 1144401001061. The reversal of 1144401001000 is 1001044411.

It can be written as a sum of positive squares in 4 ways, for example, as 677832769636 + 466568231364 = 823306^2 + 683058^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572199501 + ... + 572201500.

Almost surely, 2^{1144401001000} is an apocalyptic number.

1144401001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144401001000 is an abundant number, since it is smaller than the sum of its proper divisors (1533497343680).

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

1144401001000 is a wasteful number, since it uses less digits than its factorization.

1144401001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144401022 (or 1144401008 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1144401001000 its reverse (1001044411), we get a palindrome (1145402045411).

The spelling of 1144401001000 in words is "one trillion, one hundred forty-four billion, four hundred one million, one thousand".