1440097042 has 8 divisors (see below), whose sum is σ = 2169417276. Its totient is φ = 716957952.

The previous prime is 1440097031. The next prime is 1440097049. The reversal of 1440097042 is 2407900441.

It can be written as a sum of positive squares in 2 ways, for example, as 1410077601 + 30019441 = 37551^2 + 5479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1440096995 and 1440097013.

It is not an unprimeable number, because it can be changed into a prime (1440097049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544703 + ... + 1545634.

Almost surely, 2^1440097042 is an apocalyptic number.

1440097042 is a deficient number, since it is larger than the sum of its proper divisors (729320234).

1440097042 is a wasteful number, since it uses less digits than its factorization.

1440097042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090572.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1440097042 is about 37948.6105410989. The cubic root of 1440097042 is about 1129.2686007592.

Adding to 1440097042 its reverse (2407900441), we get a palindrome (3847997483).

The spelling of 1440097042 in words is "one billion, four hundred forty million, ninety-seven thousand, forty-two".