1044540213 has 16 divisors (see below), whose sum is σ = 1404345600. Its totient is φ = 690563264.

The previous prime is 1044540209. The next prime is 1044540221. The reversal of 1044540213 is 3120454401.

It is a cyclic number.

It is not a de Polignac number, because 1044540213 - 2² = 1044540209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044540253) 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, 344020 + ... + 347042.

It is an arithmetic number, because the mean of its divisors is an integer number (87771600).

Almost surely, 2^1044540213 is an apocalyptic number.

It is an amenable number.

1044540213 is a deficient number, since it is larger than the sum of its proper divisors (359805387).

1044540213 is a wasteful number, since it uses less digits than its factorization.

1044540213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1044540213 is about 32319.3473479896. The cubic root of 1044540213 is about 1014.6316095378.

Adding to 1044540213 its reverse (3120454401), we get a palindrome (4164994614).

The spelling of 1044540213 in words is "one billion, forty-four million, five hundred forty thousand, two hundred thirteen".