1044144040 has 32 divisors (see below), whose sum is σ = 2350435680. Its totient is φ = 417460032.

The previous prime is 1044144037. The next prime is 1044144061. The reversal of 1044144040 is 404414401.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103459 + ... + 113101.

It is an arithmetic number, because the mean of its divisors is an integer number (73451115).

Almost surely, 2^1044144040 is an apocalyptic number.

1044144040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044144040 is an abundant number, since it is smaller than the sum of its proper divisors (1306291640).

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

1044144040 is a wasteful number, since it uses less digits than its factorization.

1044144040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12361 (or 12357 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1044144040 is about 32313.2177289728. The cubic root of 1044144040 is about 1014.5033168932.

Adding to 1044144040 its reverse (404414401), we get a palindrome (1448558441).

The spelling of 1044144040 in words is "one billion, forty-four million, one hundred forty-four thousand, forty".