1440234153002 has 4 divisors (see below), whose sum is σ = 2160351229506. Its totient is φ = 720117076500.

The previous prime is 1440234152971. The next prime is 1440234153101. The reversal of 1440234153002 is 2003514320441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 883955355721 + 556278797281 = 940189^2 + 745841^2 .

It is a super-2 number, since 2×1440234153002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360058538249 + ... + 360058538252.

Almost surely, 2^{1440234153002} is an apocalyptic number.

1440234153002 is a deficient number, since it is larger than the sum of its proper divisors (720117076504).

1440234153002 is an equidigital number, since it uses as much as digits as its factorization.

1440234153002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720117076503.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 1440234153002 its reverse (2003514320441), we get a palindrome (3443748473443).

The spelling of 1440234153002 in words is "one trillion, four hundred forty billion, two hundred thirty-four million, one hundred fifty-three thousand, two".