1544144544428 has 6 divisors (see below), whose sum is σ = 2702252952756. Its totient is φ = 772072272212.

The previous prime is 1544144544413. The next prime is 1544144544457. The reversal of 1544144544428 is 8244454414451.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193018068050 + ... + 193018068057.

It is an arithmetic number, because the mean of its divisors is an integer number (450375492126).

Almost surely, 2^{1544144544428} is an apocalyptic number.

It is an amenable number.

1544144544428 is a deficient number, since it is larger than the sum of its proper divisors (1158108408328).

1544144544428 is a wasteful number, since it uses less digits than its factorization.

1544144544428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386036136111 (or 386036136109 counting only the distinct ones).

The product of its digits is 6553600, while the sum is 50.

Adding to 1544144544428 its reverse (8244454414451), we get a palindrome (9788598958879).

The spelling of 1544144544428 in words is "one trillion, five hundred forty-four billion, one hundred forty-four million, five hundred forty-four thousand, four hundred twenty-eight".