1440235030 has 16 divisors (see below), whose sum is σ = 2791840464. Its totient is φ = 531779040.

The previous prime is 1440235021. The next prime is 1440235037. The reversal of 1440235030 is 305320441.

It is a junction number, because it is equal to n+sod(n) for n = 1440234992 and 1440235010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440235037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5539236 + ... + 5539495.

It is an arithmetic number, because the mean of its divisors is an integer number (174490029).

Almost surely, 2^1440235030 is an apocalyptic number.

1440235030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1440235030 is a deficient number, since it is larger than the sum of its proper divisors (1351605434).

1440235030 is a wasteful number, since it uses less digits than its factorization.

1440235030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11078751.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1440235030 is about 37950.4285878302. The cubic root of 1440235030 is about 1129.3046678978.

Adding to 1440235030 its reverse (305320441), we get a palindrome (1745555471).

The spelling of 1440235030 in words is "one billion, four hundred forty million, two hundred thirty-five thousand, thirty".