1440421030 has 8 divisors (see below), whose sum is σ = 2592757872. Its totient is φ = 576168408.

The previous prime is 1440420991. The next prime is 1440421043. The reversal of 1440421030 is 301240441.

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 = 1440420989 and 1440421007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72021042 + ... + 72021061.

It is an arithmetic number, because the mean of its divisors is an integer number (324094734).

Almost surely, 2^1440421030 is an apocalyptic number.

1440421030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1440421030 is a deficient number, since it is larger than the sum of its proper divisors (1152336842).

1440421030 is a wasteful number, since it uses less digits than its factorization.

1440421030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144042110.

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

The square root of 1440421030 is about 37952.8790739253. The cubic root of 1440421030 is about 1129.3532807103.

Adding to 1440421030 its reverse (301240441), we get a palindrome (1741661471).

The spelling of 1440421030 in words is "one billion, four hundred forty million, four hundred twenty-one thousand, thirty".