1154440006 has 32 divisors (see below), whose sum is σ = 1809089568. Its totient is φ = 552061440.

The previous prime is 1154439977. The next prime is 1154440009. The reversal of 1154440006 is 6000444511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154440009) 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, 1767576 + ... + 1768228.

It is an arithmetic number, because the mean of its divisors is an integer number (56534049).

Almost surely, 2^1154440006 is an apocalyptic number.

1154440006 is a deficient number, since it is larger than the sum of its proper divisors (654649562).

1154440006 is a wasteful number, since it uses less digits than its factorization.

1154440006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1154440006 is about 33977.0511669274. The cubic root of 1154440006 is about 1049.0361543614.

Adding to 1154440006 its reverse (6000444511), we get a palindrome (7154884517).

The spelling of 1154440006 in words is "one billion, one hundred fifty-four million, four hundred forty thousand, six".