1440042010 has 16 divisors (see below), whose sum is σ = 2827719072. Its totient is φ = 523651600.

The previous prime is 1440041989. The next prime is 1440042011. The reversal of 1440042010 is 102400441.

It is not an unprimeable number, because it can be changed into a prime (1440042011) 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, 6545536 + ... + 6545755.

It is an arithmetic number, because the mean of its divisors is an integer number (176732442).

Almost surely, 2^1440042010 is an apocalyptic number.

1440042010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1440042010 is a deficient number, since it is larger than the sum of its proper divisors (1387677062).

1440042010 is a wasteful number, since it uses less digits than its factorization.

1440042010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13091309.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1440042010 is about 37947.8854483356. The cubic root of 1440042010 is about 1129.2542159181.

Adding to 1440042010 its reverse (102400441), we get a palindrome (1542442451).

The spelling of 1440042010 in words is "one billion, four hundred forty million, forty-two thousand, ten".