1440100234 has 4 divisors (see below), whose sum is σ = 2160150354. Its totient is φ = 720050116.

The previous prime is 1440100217. The next prime is 1440100247. The reversal of 1440100234 is 4320010441.

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., 1173268009 + 266832225 = 34253^2 + 16335^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360025057 + ... + 360025060.

Almost surely, 2^1440100234 is an apocalyptic number.

1440100234 is a deficient number, since it is larger than the sum of its proper divisors (720050120).

1440100234 is an equidigital number, since it uses as much as digits as its factorization.

1440100234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720050119.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1440100234 is about 37948.6525979514. The cubic root of 1440100234 is about 1129.2694351064.

Adding to 1440100234 its reverse (4320010441), we get a palindrome (5760110675).

The spelling of 1440100234 in words is "one billion, four hundred forty million, one hundred thousand, two hundred thirty-four".