1144540401204 has 48 divisors (see below), whose sum is σ = 2703783785472. Its totient is φ = 376775556192.

The previous prime is 1144540401203. The next prime is 1144540401227. The reversal of 1144540401204 is 4021040454411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144540401203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2458117 + ... + 2886419.

It is an arithmetic number, because the mean of its divisors is an integer number (56328828864).

Almost surely, 2^{1144540401204} is an apocalyptic number.

It is an amenable number.

1144540401204 is an abundant number, since it is smaller than the sum of its proper divisors (1559243384268).

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

1144540401204 is a wasteful number, since it uses less digits than its factorization.

1144540401204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431076 (or 431074 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 1144540401204 its reverse (4021040454411), we get a palindrome (5165580855615).

The spelling of 1144540401204 in words is "one trillion, one hundred forty-four billion, five hundred forty million, four hundred one thousand, two hundred four".