1144304400040 has 16 divisors (see below), whose sum is σ = 2574684900180. Its totient is φ = 457721760000.

The previous prime is 1144304400023. The next prime is 1144304400067. The reversal of 1144304400040 is 400044034411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1105563925764 + 38740474276 = 1051458^2 + 196826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1144304399978 and 1144304400014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14303804961 + ... + 14303805040.

Almost surely, 2^{1144304400040} is an apocalyptic number.

1144304400040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144304400040 is an abundant number, since it is smaller than the sum of its proper divisors (1430380500140).

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

1144304400040 is a wasteful number, since it uses less digits than its factorization.

1144304400040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28607610012 (or 28607610008 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1144304400040 its reverse (400044034411), we get a palindrome (1544348434451).

The spelling of 1144304400040 in words is "one trillion, one hundred forty-four billion, three hundred four million, four hundred thousand, forty".