1440302320242 has 12 divisors (see below), whose sum is σ = 3120655027230. Its totient is φ = 480100773408.

The previous prime is 1440302320231. The next prime is 1440302320277. The reversal of 1440302320242 is 2420232030441.

1440302320242 is a `hidden beast` number, since 1 + 4 + 403 + 0 + 232 + 0 + 24 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 980117820081 + 460184500161 = 990009^2 + 678369^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40008397767 + ... + 40008397802.

Almost surely, 2^{1440302320242} is an apocalyptic number.

1440302320242 is an abundant number, since it is smaller than the sum of its proper divisors (1680352706988).

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

1440302320242 is a wasteful number, since it uses less digits than its factorization.

1440302320242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80016795577 (or 80016795574 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 1440302320242 its reverse (2420232030441), we get a palindrome (3860534350683).

The spelling of 1440302320242 in words is "one trillion, four hundred forty billion, three hundred two million, three hundred twenty thousand, two hundred forty-two".