1440422002 has 16 divisors (see below), whose sum is σ = 2295101952. Its totient is φ = 675661120.

The previous prime is 1440421987. The next prime is 1440422021. The reversal of 1440422002 is 2002240441.

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, 57538 + ... + 78685.

It is an arithmetic number, because the mean of its divisors is an integer number (143443872).

Almost surely, 2^1440422002 is an apocalyptic number.

1440422002 is a deficient number, since it is larger than the sum of its proper divisors (854679950).

1440422002 is a wasteful number, since it uses less digits than its factorization.

1440422002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136553.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1440422002 is about 37952.8918792758. The cubic root of 1440422002 is about 1129.3535347405.

Adding to 1440422002 its reverse (2002240441), we get a palindrome (3442662443).

The spelling of 1440422002 in words is "one billion, four hundred forty million, four hundred twenty-two thousand, two".