1544400041 has 8 divisors (see below), whose sum is σ = 1569455784. Its totient is φ = 1519544320.

The previous prime is 1544400031. The next prime is 1544400073. The reversal of 1544400041 is 1400044451.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23088025 + 1521312016 = 4805^2 + 39004^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1544400041 - 2⁶ = 1544399977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1544400031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34400 + ... + 65361.

It is an arithmetic number, because the mean of its divisors is an integer number (196181973).

Almost surely, 2^1544400041 is an apocalyptic number.

It is an amenable number.

1544400041 is a deficient number, since it is larger than the sum of its proper divisors (25055743).

1544400041 is a wasteful number, since it uses less digits than its factorization.

1544400041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100011.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1544400041 is about 39298.8554667944. The cubic root of 1544400041 is about 1155.8991245992.

Adding to 1544400041 its reverse (1400044451), we get a palindrome (2944444492).

The spelling of 1544400041 in words is "one billion, five hundred forty-four million, four hundred thousand, forty-one".